[Q]: The woman spotted her friend from across the room.
What is the cause?

[A]: The woman waved.


[Q]: The woman refused a second beer.
What is the cause?

[A]: She was the designated driver for the night.


[Q]: The woman hummed to herself.
What is the cause?

[A]: She was in a good mood.


[Q]: The boy lost hold of the bar of soap.
What is the cause?

[A]:
The bar was slippery.