[Q]: cause?

My feet were blistered.

OPTIONS:
- I went hiking.
- I went swimming.
****
[A]: I went hiking.

[Q]: cause?

The girl gasped.

OPTIONS:
- Her friend stuck an ice cube down her back.
- Her friend gave her a pat on the back.
****
[A]: Her friend stuck an ice cube down her back.

[Q]: effect?

The archeologist dug up the site.

OPTIONS:
- She excavated ancient artifacts.
- She read about the site's history.
****
[A]:
She excavated ancient artifacts.