Problem: How does the sentence end?

the doors  was too small to let the car through for a car wash, the 
Answer: door was too small.

Problem: How does the sentence end?

Kelly's new purple yoga mat would not fit in her old backpack, the 
Answer: backpack was too narrow.

Problem: How does the sentence end?

Ryan was careful that Kevin would not get in school bullied because 
Answer: Ryan was very strong.

Problem: How does the sentence end?

The snow was a huge inconvenience for Kevin but Ryan liked it very much, because 
Answer:
Kevin was sensitive to cold temperatures.