Problem: How does the sentence end?

The choice was to give Aaron the document and not Brian because 
Answer: Aaron was a lot more mature.

Problem: How does the sentence end?

Lindsey considered a lot of variables before answering Mary's request for money, 
Answer: Mary never thought about consequences.

Problem: How does the sentence end?

Mark could either study in the library or the courtyard.  He chose the 
Answer: courtyard because it was such nice weather.

Problem: How does the sentence end?

Natalie borrowed dye from Emily since 
Answer:
Natalie had run out of supplies for her hair recently.