Problem: How does the sentence end?

To cope with the stress, Adam replaced the mattress in his room with a wooden board. The
Answer: mattress would prolong the stress.

Problem: How does the sentence end?

After giving birth, Elena changed more diapers than Mary because
Answer: Mary forgot how to clean up the poop.

Problem: How does the sentence end?

Adam showed up empty-handed to the housewarming party, while Joel brought a gift, because
Answer: Joel was polite.

Problem: How does the sentence end?

Katrina used a camera to complete their art project, while Lindsey used oil paints, because
Answer:
Katrina had aspirations of becoming a photographer.