Problem: How does the sentence end?

Rachel warned Elena that having negative body image may cause eating disorders because 
Answer: Rachel cares about her.

Problem: How does the sentence end?

Jim preferred using the weights for exercise instead of the machines because the 
Answer: machines were taken.

Problem: How does the sentence end?

Carrie helped Natalie plan all of the company events for the conference because 
Answer: Natalie was an CEO.

Problem: How does the sentence end?

Cynthia asked Jessica if they would join an exercise program with her. 
Answer:
Jessica was not on a diet but was happy to go along.