[Q]: How does the sentence end?

Ryan found the conditions of Joseph's life to be totally unacceptable, because 
OPTIONS:
- Ryan believed in living a righteous existence.
- Joseph believed in living a righteous existence.

[A]: Ryan believed in living a righteous existence.
QUES: Continue writing.

I kept the rabbit in a cage instead of in the barn because it was harder to find it in the 

OPTIONS:
- barn .
- cage .
+++++++++
ANS: barn .
Problem: How does the sentence end?

His allergies were worse at home than at the office, because the 
OPTIONS:
- home was insulated from the outside elements.
- office was insulated from the outside elements.
Answer: office was insulated from the outside elements.
sentence: The plane flew at a lower altitude than the helicopter because the  OPTIONS:
- plane had less engine power.
- helicopter had less engine power.
complete: plane had less engine power.
Eric was excited when Ryan finally took their first step, because 
OPTIONS:
- Eric was a growing child.
- Ryan was a growing child.
Ryan was a growing child.
Problem: Continue the following story.

The tree fell under the force of the blowing wind. I never know the 
OPTIONS:
- wind was so weak.
- tree was so weak.
Here's how I want to continue it:
tree was so weak.