[Q]: How does the sentence end?

Craig always gets angry while Matthew is always calm, so 
OPTIONS:
- Craig yelled when they got a bad grade.
- Matthew yelled when they got a bad grade.

[A]: Craig yelled when they got a bad grade.
QUES: Continue writing.

It was difficult for Ryan but not Steven to take good notes because 

OPTIONS:
- Ryan could not hear the professor.
- Steven could not hear the professor.
+++++++++
ANS: Ryan could not hear the professor.
Problem: How does the sentence end?

Liz owned an iPad instead of a Chromebook because she thought the 
OPTIONS:
- iPad had better software and was easier to use.
- Chromebook had better software and was easier to use.
Answer: iPad had better software and was easier to use.
sentence: The storage locker of Kevin was a lot bigger than that of Ryan, by reason of  OPTIONS:
- Kevin having less stuff.
- Ryan having less stuff.
complete: Ryan having less stuff.
Mark replaced the chair in the living room with a sofa, because the 
OPTIONS:
- chair was less comfortable.
- sofa was less comfortable.
chair was less comfortable.
Problem: Continue the following story.

I made a new feeder for the backyard that had a small opening for the food. They couldn't get through it because the 
OPTIONS:
- food was too big.
- opening was too big.
Here's how I want to continue it:
food was too big.