Problem: How does the sentence end?

Lawrence didn't want to pick Nelson to play on the team, because 
Answer: Lawrence didn't think they knew how to play.

Problem: How does the sentence end?

Felicia is security guard for the rich and Samantha an international jewel thief, so 
Answer: Felicia guards many houses.

Problem: How does the sentence end?

Emily was generally a happier and more content person than Katrina, because 
Answer: Emily had a greater appreciation for their lot in life.

Problem: How does the sentence end?

On the hike, Brett rested on the trail, while Nick conquered the mountain, because 
Answer:
Brett was exhausted.