Problem: How does the sentence end?

Logan had to work while Aaron was still in middle school so 
OPTIONS:
- Logan drove his car every day.
- Aaron drove his car every day.
Answer: Logan drove his car every day.
sentence: Randy used whatever dirty methods he had to interrupt Kyle from his concentration at work, but  OPTIONS:
- Randy refused to do the same.
- Kyle refused to do the same.
complete: Kyle refused to do the same.
Jason's beautiful gardenias beat out Christopher's at the state fair, because 
OPTIONS:
- Jason had applied extra fertilizer to their garden.
- Christopher had applied extra fertilizer to their garden.
Jason had applied extra fertilizer to their garden.
Input: Continue writing.

Rebecca joined the Girl Scouts before Laura, therefore 
OPTIONS:
- Rebecca has less experience selling yummy but overpriced cookies.
- Laura has less experience selling yummy but overpriced cookies.

Continued: Laura has less experience selling yummy but overpriced cookies.
Story needs to be completed:
She wanted to display the ad on the billboard, but the 
OPTIONS:
- billboard was too big.
- ad was too big.

My choice:
ad was too big.
Problem: How does the sentence end?

The pressure of the water increased when it flowed from the tank to the pipe because the 
OPTIONS:
- tank is narrower.
- pipe is narrower.
Answer:
pipe is narrower.