[Q]: effect?

The bully stuck his foot out in front of his classmate.

OPTIONS:
- The bully picked up his classmate.
- The bully's classmate tripped.
****
[A]: The bully's classmate tripped.

[Q]: cause?

The man had lipstick on his cheek.

OPTIONS:
- The woman kissed him.
- The woman made him blush.
****
[A]: The woman kissed him.

[Q]: cause?

I moved to a new city.

OPTIONS:
- I found a better-paying job.
- My son was born.
****
[A]:
I found a better-paying job.