Problem: How does the sentence end?

Lawrence buys Robert a watch for a graduation present because
Answer: Robert is a great student.

Problem: How does the sentence end?

Susan was making a cake for a party and she had an egg but didn't have milk. It was necessary to go to the store for the
Answer: milk .

Problem: How does the sentence end?

In a group Cynthia was usually silent but Rebecca was not because
Answer: Cynthia was a naturally reserved person.

Problem: How does the sentence end?

Neil stayed dry in the bad weather, but Hunter got drenched, because
Answer:
Hunter forgot a raincoat.