According to logic, prostitution is considered a potential cause of AIDS. Thus B is the cause and A is the effect.

High price is the cause for less penetration. Thus A is the cause and B is the effect.

Curfew causes shops to close and activity to stop. Thus A is the effect and B is the cause.

Not buying books is not necessarily the cause of failure. These can be independent events.

There is no direct relation whatsoever between the increase in airline fares & increase in state road transport fares as both of them operate in different routes, one in air and the other on road and have different operational modes. Furthermore, airline corporations come under the private sector and state road transport corporation comes under the state government. Hence, both the statements (A) & (B) are the individual effects of different causes.

Expulsion is the cause of forming a new party. Thus A is the cause and B is the effect.

Considering it a bilateral issue is the reason for India's decision. Thus A is the effect and B is the cause.

Explanation: The two statements (A)&(B) are not related to each other as the municipal authority issuing a warning not to consume food prepared at the stalls on road-side has nothing to do with heavy rains in the city. It must have been owing to ensuring good hygiene that the municipal authority must have issued a warning. Hence, the two statements are the individual effects of different causes.

Explanation: Events described in both the statements are not related to each other. Both these effects are moving in the opposite direction as in one, the tour is getting scheduled for which the students are enrolling while in the other, the tour is getting cancelled by the school authority. Hence, these two are the effects of different causes.

Juliet being beautiful and innocent is the reason for Romeo's love. Thus, A is the effect and B is the cause.

In statement (A), excess demand for petrol & diesel is triggering the government to raise their prices by 10 percent. In statement (B) also, excess demand for crude oil in the market is making crude oil producing countries to raise their production by 20 percent because there is no sense in producing more, if you don't have excess demand in the market. Thus, both the effects are caused by a common cause "Excess Demand". Hence, both the statements are the individual effects of a common cause.

Practically speaking, in real life, if quality of something improves, then its price must also increase accordingly. But here such a scenario doesn't exist, as even after improvement in the quality of vegetable products, their prices have fallen considerably. Hence, the two statements (A) & (B) are not related to each other which makes them two individual effects.

These are two independent events. The resignation of the CEO is not the immediate cause of the financial results.

The peace accord is the cause of the peaceful situation. Thus A is the cause and B is the effect.

The theft is the cause of registering a complaint. Thus A is the cause and B is the effect.

Explanation: As we know that a single individual statement can't be the cause, hence these two statements must be individual effects. Both of these events are happening in the opposite direction as in one, people are leaving the city, and in the other event, people are coming into the city. Hence, both of these events are the effects of independent causes.

Being a dedicated athlete is the cause of receiving the award. Thus A is the effect and B is the cause.

Explanation: Statements (A) & (B) are not related to each other, as whenever Government launches a new scheme or takes some measures for the public good or common welfare, then its decision is based on the needs and requirements of common public and not due to the fact that there has been a bumper harvest of a particular type of crop. Thus, the two statements (A) & (B) are the two individual effects moving in the opposite direction, one of which is primarily driven by needs of common public while the other is primarily driven by the excess supply of Kharif crops. Hence, the two statements (A) & (B) are the individual effects of different causes.

Drinking impure water is the cause of the infection. Thus A is the effect and B is the cause.

The plan to form a new party coming to light is the cause of expulsion. Thus A is the effect and B is the cause.