Story needs to be completed:
Understanding complicated equations was harder for Samantha than Rachel because 
OPTIONS:
- Samantha had taken many math courses in college.
- Rachel had taken many math courses in college.

My choice:
Rachel had taken many math courses in college.
Problem: Continue the following story.

The moral code of Aaron compared to Nick is stricter, so 
OPTIONS:
- Aaron judges the other harshly.
- Nick judges the other harshly.
Here's how I want to continue it: Aaron judges the other harshly.
Problem: Ian was always at William 's service during the day, as 
OPTIONS:
- Ian was very helpful.
- William was very helpful.

My choice: Ian was very helpful.
[Q]: How does the sentence end?

John likes to eat peach pie more than apple pie because the 
OPTIONS:
- peach flavor is more sweet.
- apple flavor is more sweet.

[A]: peach flavor is more sweet.
QUES: Continue writing.

Patricia asked Jessica how to construct a color wheel, because 

OPTIONS:
- Patricia had never tried to do that before.
- Jessica had never tried to do that before.
+++++++++
ANS: Patricia had never tried to do that before.
QUES: Continue writing.

There was a lot of doubt in the marriage of Elena and not Natalie, because the wife of 

OPTIONS:
- Elena was faithful.
- Natalie was faithful.
+++++++++
ANS:
Natalie was faithful.