[Q]: The mother needed help looking after her children.

effect: 
[A]: She sent the children to daycare.
[Q]: The boy turned the lid on the jar.

effect: 
[A]: The lid came off.
[Q]: The man craved a cigarette.

cause: 
[A]: He was addicted to nicotine.
[Q]: The woman had an infection.

effect: 
[A]:
She took antibiotics.