Problem: How does the sentence end?

Michael had such a simple life compared to Steven because 
OPTIONS:
- Michael came from a poor family.
- Steven came from a poor family.
Answer: Steven came from a poor family.
sentence: The ribs were more popular than the sausage links at the music festival because the  OPTIONS:
- ribs are lower quality meat.
- sausage links are lower quality meat.
complete: sausage links are lower quality meat.
She wanted to decorate her car but leave the house plain , since she needed the 
OPTIONS:
- car to impress people.
- house to impress people.
car to impress people.
Input: Continue writing.

The goldfish were finally removed from the bag and transferred into the tank, as the 
OPTIONS:
- bag was a temporary home for them.
- tank was a temporary home for them.

Continued: bag was a temporary home for them.
Story needs to be completed:
The new PC Billy bought for himself would not fit in his old backpack, the 
OPTIONS:
- backpack was too narrow.
- PC was too narrow.

My choice:
backpack was too narrow.
Problem: How does the sentence end?

Colby was less fearful of swimming in the ocean than he was of swimming in the lake. The 
OPTIONS:
- ocean is dirtier.
- lake is dirtier.
Answer:
lake is dirtier.