Problem: How does the sentence end?

The girls lost the race against the boys because the
Answer: boys were much faster.

Problem: How does the sentence end?

Rather than play by the rules, Robert chose to elbow Hunter during the basketball game because
Answer: Hunter was a pushover.

Problem: How does the sentence end?

Felicia's accounting class was going well, but Mary's was not because
Answer: Felicia had an intelligent professor.

Problem: How does the sentence end?

The new small case that I bought for my phone didn't fit, because the
Answer:
phone was too big.