Cause and effect:
Event A: Sara went to meet her parents at her friend Puneet's house.
Event B: Puneet's parents had been running ill for a long time.
1
Event A is the effect and event B is the immediate and major cause.
2
Event B is the effect and event A is the immediate and major cause.
3
Event A is an effect but event B is not the immediate and major cause.
4
Event B is the effect but event A is not the immediate and major cause.