Problem: How does the sentence end?

Brian showed Donald how to prepare glycerol stock since 
OPTIONS:
- Brian had never made it before.
- Donald had never made it before.
Answer: Donald had never made it before.
sentence: The disease was more prevalent in the nursing home than in the school because the people in the  OPTIONS:
- nursing home were older.
- school were older.
complete: nursing home were older.
At night, the eagle could see more of the cave than the panther because the 
OPTIONS:
- eagle had better day vision.
- panther had better day vision.
panther had better day vision.
Input: Continue writing.

Patricia invited Elena to exercise with them at the gym. 
OPTIONS:
- Patricia has been going almost daily.
- Elena has been going almost daily.

Continued: Patricia has been going almost daily.
Story needs to be completed:
Justin doesn't like Brian because 
OPTIONS:
- Justin hates self-centered people with egos the size of Texas and an attitude.
- Brian hates self-centered people with egos the size of Texas and an attitude.

My choice:
Justin hates self-centered people with egos the size of Texas and an attitude.
Problem: How does the sentence end?

The games that Randy played were more difficult than Dennis's because 
OPTIONS:
- Randy was a talented individual.
- Dennis was a talented individual.
Answer:
Randy was a talented individual.