Problem: How does the sentence end?

I decided to go to the barbershop instead of my usual salon because I just needed a trim and the 
Answer: barbershop was faster and cheaper.

Problem: How does the sentence end?

The woman asked Victoria instead of Elena to make her a meal because 
Answer: Elena was a worse cook.

Problem: How does the sentence end?

It was important to prepare for the Chemistry exam as it was tough but the Biology was easy so Paul only prepared for the 
Answer: tough exam.

Problem: How does the sentence end?

Tanya wanted to exercise to increase stamina but Samantha didn’t because 
Answer:
Tanya thought it would be very rewarding.