[Q]: How does the sentence end?

A career as a photographic model suited Leslie but not Joel because 
OPTIONS:
- Leslie had no healthy glow to their skin.
- Joel had no healthy glow to their skin.

[A]: Joel had no healthy glow to their skin.
QUES: Continue writing.

They replaced the old futon with a memory foam mattress because the 

OPTIONS:
- futon had a low level of comfort.
- mattress had a low level of comfort.
+++++++++
ANS: futon had a low level of comfort.
Problem: How does the sentence end?

Mary wanted to end the friendship with Lindsey though 
OPTIONS:
- Mary thought the friendship was just fine.
- Lindsey thought the friendship was just fine.
Answer: Lindsey thought the friendship was just fine.
sentence: Chemistry was a less popular discipline at the school than biology, as the  OPTIONS:
- chemistry was less lucrative as a field.
- biology was less lucrative as a field.
complete: chemistry was less lucrative as a field.
Derrick decided that they would train as a teacher but Donald did not as 
OPTIONS:
- Derrick loved children.
- Donald loved children.
Derrick loved children.
Problem: Continue the following story.

Mary used the dry erase marker instead of the chalk because the 
OPTIONS:
- dry erase marker was messy to use.
- chalk was messy to use.
Here's how I want to continue it:
chalk was messy to use.