Problem: How does the sentence end?

She took her arrow and sword and ran out of the house to hunt for zombies. The 
Answer: arrow was breakable.

Problem: How does the sentence end?

Jack's enourmous teeth would not fit into his mouth because the 
Answer: teeth was too big.

Problem: How does the sentence end?

Eating milk chocolate always made Michael happy but not Kenneth because 
Answer: Michael loved sweet food.

Problem: How does the sentence end?

Kayla did amazing on the exam compared to Elena, due to 
Answer:
Elena being unprepared for it.