Problem: How does the sentence end?

Victoria felt a lot of guilt over stealing penny sweets but Mary did not because 
OPTIONS:
- Victoria had a strong conscience.
- Mary had a strong conscience.
Answer: Victoria had a strong conscience.
sentence: Robert was a very well regarded professor but Lawrence was not.  OPTIONS:
- Robert was able to make tenure at their university.
- Lawrence was able to make tenure at their university.
complete: Robert was able to make tenure at their university.
Donald liked the taste of mayonnaise on a sandwich but Steven liked mustard better. 
OPTIONS:
- Donald bought some French's mustard at the market.
- Steven bought some French's mustard at the market.
Steven bought some French's mustard at the market.
Input: Continue writing.

Brett wanted to properly clean up Neil's blonde dyed hair so 
OPTIONS:
- Brett got the chair ready.
- Neil got the chair ready.

Continued: Brett got the chair ready.
Story needs to be completed:
Robert has amazing silky hair unlike Justin because 
OPTIONS:
- Robert takes good care of his hair.
- Justin takes good care of his hair.

My choice:
Robert takes good care of his hair.
Problem: How does the sentence end?

So 
OPTIONS:
- Monica eats a lot of vegetables because Monica wants to stay healthy and Christine doesn't care.
- Christine eats a lot of vegetables because Monica wants to stay healthy and Christine doesn't care.
Answer:
Monica eats a lot of vegetables because Monica wants to stay healthy and Christine doesn't care.