Problem: How does the sentence end?

The new leather couch Bill purchased would not fit through his front doorway, the
Answer: doorway was too narrow.

Problem: How does the sentence end?

They wanted to play at the city park instead of their backyard, because the
Answer: backyard is too cramped.

Problem: How does the sentence end?

Benjamin could hold difficult yoga poses for minutes, which impressed the less fit Leslie, since
Answer: Benjamin was so nimble by comparison.

Problem: How does the sentence end?

Before Elena left for vacation she left Patricia a detailed plan to follow,
Answer:
Patricia needs others for things to do often.