Cause
It began to rain. The game was cancelled. What is the cause?
It began to rain.
Lee did not clean his room, so he can't go to the birthday party. What is the effect?
He can't go to the birthday party.
She forgot to put the caps on the markers, so the markers dried out. What is the cause?
She forgot to put the caps on the markers.
All the clothes were dirty so Nate did the laundry. What is the effect?
Nate did the laundry.