Story needs to be completed:
Logan ate more sugary candy than Samuel and rarely brushed their teeth, but 
OPTIONS:
- Logan still had more cavities.
- Samuel still had more cavities.

My choice:
Samuel still had more cavities.
Problem: Continue the following story.

Nick is hired by Craig to make a great dress for the ball due to 
OPTIONS:
- Nick being a seamstress.
- Craig being a seamstress.
Here's how I want to continue it: Nick being a seamstress.
Problem: The dog ran away from Robert instead of Matthew because 
OPTIONS:
- Robert had a frisbee and a few treats in his hands.
- Matthew had a frisbee and a few treats in his hands.

My choice: Matthew had a frisbee and a few treats in his hands.
[Q]: How does the sentence end?

My dad needed help using the chainsaw and not the knife because the 
OPTIONS:
- knife was harder to operate.
- chainsaw was harder to operate.

[A]: chainsaw was harder to operate.
QUES: Continue writing.

Robert has to shop at husky size area while Jeffrey shops at slim size area, you can imagine 

OPTIONS:
- Robert eats more than they need to.
- Jeffrey eats more than they need to.
+++++++++
ANS: Robert eats more than they need to.
QUES: Continue writing.

Erin liked to invest very conservatively but Katrina took an aggressive approach. 

OPTIONS:
- Erin invested in risky tech stocks instead of safe government bonds.
- Katrina invested in risky tech stocks instead of safe government bonds.
+++++++++
ANS:
Katrina invested in risky tech stocks instead of safe government bonds.