Problem: How does the sentence end?

Megan is a sociologist, Jessica is not therefore 
OPTIONS:
- Megan could probably not explain the meaning of various holidays.
- Jessica could probably not explain the meaning of various holidays.
Answer: Jessica could probably not explain the meaning of various holidays.
sentence: Tanya got passed by for the job at the power plant in favor of Elena , since  OPTIONS:
- Tanya was adept with anything electric.
- Elena was adept with anything electric.
complete: Elena was adept with anything electric.
It was hard for Matthew to locate the park compare to Nelson, because 
OPTIONS:
- Matthew forgot his map.
- Nelson forgot his map.
Matthew forgot his map.
Input: Continue writing.

It was easy to measure the kitchen, but hard to measure the bathroom, because the 
OPTIONS:
- kitchen had a messy floor.
- bathroom had a messy floor.

Continued: bathroom had a messy floor.
Story needs to be completed:
The pressure of the water increased when it flowed from the tank to the pipe because the 
OPTIONS:
- tank is wider.
- pipe is wider.

My choice:
tank is wider.
Problem: How does the sentence end?

Nick needed a splint on their arm but not Michael because 
OPTIONS:
- Nick had a broken arm.
- Michael had a broken arm.
Answer:
Nick had a broken arm.