[Q]: How does the sentence end?

Joseph frequently had mood swings that affected the relationship with Brian, so
OPTIONS:
- Joseph insisted they seek treatment.
- Brian insisted they seek treatment.

[A]: Brian insisted they seek treatment.

QUES: Continue writing.

Jeffrey asked Dennis to store potatoes in his basement, because

OPTIONS:
- Jeffrey had nowhere to keep them.
- Dennis had nowhere to keep them.
+++++++++
ANS: Jeffrey had nowhere to keep them.

Problem: How does the sentence end?

After they got the table trough the front door they couldn't fit the sofa, because the
OPTIONS:
- table was smaller.
- sofa was smaller.
Answer: table was smaller.

sentence: Online security was important to the school but not the business since the OPTIONS:
- school had tremendous security concerns.
- business had tremendous security concerns.
complete: school had tremendous security concerns.

The architect wanted to add a new bathroom to the house but the
OPTIONS:
- bathroom was too large.
- house was too large.
bathroom was too large.

Problem: Continue the following story.

The young magician was able to lock the assistant in the box but couldn't use the key to open it because the
OPTIONS:
- box was fine.
- key was fine.
Here's how I want to continue it:
box was fine.