Problem: How does the sentence end?

Rebecca taught Samantha about mushroom picking because
OPTIONS:
- Rebecca was knowledgeable about which ones were edible.
- Samantha was knowledgeable about which ones were edible.
Answer: Rebecca was knowledgeable about which ones were edible.

sentence: Ryan always laughs at Aaron's accent when he speaks English because OPTIONS:
- Ryan thinks it's funny.
- Aaron thinks it's funny.
complete: Ryan thinks it's funny.

Laura wanted a child and Victoria does not, so
OPTIONS:
- Laura started trying to get pregnant after marriage.
- Victoria started trying to get pregnant after marriage.
Laura started trying to get pregnant after marriage.

Input: Continue writing.

Robert told Dennis that the children had to go to sleep by 9pm because
OPTIONS:
- Robert was going out.
- Dennis was going out.

Continued: Robert was going out.

Story needs to be completed:
Because Katrina did not take care of their body as well as Natalie,
OPTIONS:
- Katrina had a larger number of unexpected hospital visits this month.
- Natalie had a larger number of unexpected hospital visits this month.

My choice:
Katrina had a larger number of unexpected hospital visits this month.

Problem: How does the sentence end?

I decided to let the ice melt in the backyard instead of the attic because the
OPTIONS:
- backyard has bad ventilation.
- attic has bad ventilation.
Answer:
attic has bad ventilation.