[Q]: I moved to a new city.

cause: 
[A]: I found a better-paying job.
[Q]: The milk stayed cold.

cause: 
[A]: I stored it in the refrigerator.
[Q]: The girl received a trophy.

cause: 
[A]: She won a spelling bee.
[Q]: The boy murmured his reply to his mother.

effect: 
[A]:
His mother told him to speak up.