[Q]: How does the sentence end?

Nelson used the new baseballs at the field to throw at Ryan because 

[A]: Ryan was the catcher.


[Q]: How does the sentence end?

Amy wants to increase her intelligence so she demands extra hours from her tutor Erin, so 

[A]: Erin agreed to help.


[Q]: How does the sentence end?

Steven asks Robert how to play the game of dodgeball because 

[A]:
Steven wants to be a good dodgeball player.