[Q]: The spy discovered the enemy's location.

cause:
[A]: The spy bugged the enemy's phone.
[Q]: The clay hardened.

cause:
[A]: The potter put the clay in the oven.
[Q]: The skydiver glided safely to the ground.

cause:
[A]: She opened her parachute.
[Q]: A crater formed on the moon.

cause:
[A]:
A comet collided with the moon.