[Q]: The competition ended.

effect:

OPTIONS:
- The teams got pumped up.
- The teams shook hands.
[A]: The teams shook hands.
[Q]: The soldiers were concealed in the brush.

cause:

OPTIONS:
- They were armed with rifles.
- They wore camouflage uniforms.
[A]: They wore camouflage uniforms.
[Q]: The child became immune to the disease.

cause:

OPTIONS:
- He avoided exposure to the disease.
- He received the vaccine for the disease.
[A]: He received the vaccine for the disease.
[Q]: The friends' debate dragged on interminably.

cause:

OPTIONS:
- The friends saw eye to eye.
- The friends were splitting hairs.
[A]:
The friends were splitting hairs.