Problem: How does the sentence end?

Coconut oil was always used by Emily and not Angela because 
Answer: Angela lived a careless lifestyle.

Problem: How does the sentence end?

In gym class, Kayla was known to be in shape while Rebecca was not because 
Answer: Rebecca was a nerd.

Problem: How does the sentence end?

Jennifer ate a lot of food containing corn but Victoria did not because 
Answer: Victoria was trying to decrease carbohydrate consumption.

Problem: How does the sentence end?

Billy wanted to prevent having his radiator overheat in the desert sun so he added water but the 
Answer:
water was too little.