[Q]: The woman gave the man her phone number.

cause:
[A]: She was attracted to him.
[Q]: The book became a huge bestseller.

effect:
[A]: It was adapted into a movie.
[Q]: The screen on the laptop went black.

cause:
[A]: The laptop's battery died.
[Q]: The student flaunted his test grade to his classmates.

cause:
[A]:
He received a perfect score.