Problem: How does the sentence end?

Jennifer noticed that Maria smells really bad and asked her why, because 
OPTIONS:
- Jennifer couldn't ignore that.
- Maria couldn't ignore that.
Answer: Jennifer couldn't ignore that.

Problem: How does the sentence end?

Jennifer gently combed Monica's hair with a brush because 
OPTIONS:
- Jennifer was trying to remove the tangles.
- Monica was trying to remove the tangles.
Answer: Jennifer was trying to remove the tangles.

Problem: How does the sentence end?

Jason showed Steven the proper techniques in order to care for Rayon.  
OPTIONS:
- Jason was smart.
- Steven was smart.
Answer: Jason was smart.

Problem: How does the sentence end?

Christopher was very good at making coffee that Eric loved, 
OPTIONS:
- Christopher was a coffee expert and knew what was good.
- Eric was a coffee expert and knew what was good.
Answer:
Christopher was a coffee expert and knew what was good.