Problem: How does the sentence end?

Christopher admired the beard that Nick had grown, so 
OPTIONS:
- Christopher asked how he did it.
- Nick asked how he did it.
Answer: Christopher asked how he did it.
sentence: Hunter had to take some medicine, although Joel did not, because  OPTIONS:
- Hunter didn't have a fever.
- Joel didn't have a fever.
complete: Joel didn't have a fever.
When Joseph applied for an apprenticeship at Ryan's shop, 
OPTIONS:
- Joseph knew he had to create a welding test.
- Ryan knew he had to create a welding test.
Ryan knew he had to create a welding test.
Input: Continue writing.

One way to make rice crispy treats will need chocolate chips and marshmallows with the 
OPTIONS:
- chocolate starting off hard.
- marshmallows starting off hard.

Continued: chocolate starting off hard.
Story needs to be completed:
I chose the first plan rather the second plan, because the 
OPTIONS:
- second plan seemed like it would be a failure.
- first plan seemed like it would be a failure.

My choice:
second plan seemed like it would be a failure.
Problem: How does the sentence end?

The pregnancy was the responsibility of Christopher but not Kenneth, because 
OPTIONS:
- Christopher was in a relationship with the woman.
- Kenneth was in a relationship with the woman.
Answer:
Christopher was in a relationship with the woman.