Story needs to be completed:
When Neil started to stink, Christopher bought him some deodorant; 
OPTIONS:
- Neil was his sympathetic parent.
- Christopher was his sympathetic parent.

My choice:
Christopher was his sympathetic parent.
Problem: Continue the following story.

Paul wanted to ride his bike to the store instead of driving his car, but the 
OPTIONS:
- bike had a flat tire.
- car had a flat tire.
Here's how I want to continue it: bike had a flat tire.
Problem: Mary always has a better attitude and outlook on life unlike Lindsey because 
OPTIONS:
- Mary is an optimist.
- Lindsey is an optimist.

My choice: Mary is an optimist.
[Q]: How does the sentence end?

Derrick decided that they would train as a teacher but Donald did not as 
OPTIONS:
- Derrick  hated children.
- Donald  hated children.

[A]: Donald  hated children.
QUES: Continue writing.

I suggest the eyelash growth serums to my client for her eyelashes because the 

OPTIONS:
- serums were strong.
- eyelashes were strong.
+++++++++
ANS: serums were strong.
QUES: Continue writing.

I used the shampoo less than the herbal oil because the 

OPTIONS:
- shampoo left my scalp feeling nourished.
- oil left my scalp feeling nourished.
+++++++++
ANS:
oil left my scalp feeling nourished.