Problem: How does the sentence end?

Because Joseph was not planning to get married to his current girlfriend but Nick wanted to marry his girlfriend,
Answer: Joseph broke up with his girlfriend.

Problem: How does the sentence end?

Megan decided to sing a song at the talent show that Mary was judging.
Answer: Megan was happy when she won first place.

Problem: How does the sentence end?

Joseph got a lump on his chin after Aaron accidentally hit him with a baseball bat, so
Answer: Joseph felt angry.

Problem: How does the sentence end?

Lawrence learned chess slower than Craig did because
Answer:
Lawrence thought the game was really boring.