Problem: How does the sentence end?

Kayla had an effective way of getting Jennifer to do what they wanted, so 
OPTIONS:
- Kayla took advantage of them.
- Jennifer took advantage of them.
Answer: Kayla took advantage of them.
sentence: Nelson insisted on serving the food at the potluck instead of Steven, because  OPTIONS:
- Nelson had clean hands.
- Steven had clean hands.
complete: Nelson had clean hands.
Kyle made a handmade quilt with a complicated pattern and Kenneth made one with a simple pattern, as 
OPTIONS:
- Kyle was a professional quilter.
- Kenneth was a professional quilter.
Kyle was a professional quilter.
Input: Continue writing.

Brett bought the airplane tickets for Joel and their family after 
OPTIONS:
- Brett checked their account.
- Joel checked their account.

Continued: Brett checked their account.
Story needs to be completed:
After Katrina got back from a jog, Cynthia told her she was glowing. 
OPTIONS:
- Katrina was motivated to keep going.
- Cynthia was motivated to keep going.

My choice:
Katrina was motivated to keep going.
Problem: How does the sentence end?

Rebecca walked carefully around the puddle while Katrina splashed through it,  
OPTIONS:
- Rebecca liked to be clean.
- Katrina liked to be clean.
Answer:
Rebecca liked to be clean.