Problem: How does the sentence end?

The intervention had to be done and to get the person's attention the flag had to be used instead of the banner because the 
OPTIONS:
- flag was loud.
- banner was loud.
Answer: flag was loud.
sentence: Randy invited Kenneth to take a class together where they'd learn a new scone recipe, but  OPTIONS:
- Randy preferred being  alone.
- Kenneth preferred being  alone.
complete: Kenneth preferred being  alone.
Carrie had to get contacts to see but not Jessica because 
OPTIONS:
- Carrie had irregular vision.
- Jessica had irregular vision.
Carrie had irregular vision.
Input: Continue writing.

To build a successful program, a reliable compiler was employed, as the 
OPTIONS:
- program provided the extra power.
- compiler provided the extra power.

Continued: compiler provided the extra power.
Story needs to be completed:
Adam really wanted to be model but Aaron reminded him he was too short but  
OPTIONS:
- Adam is a realist.
- Aaron is a realist.

My choice:
Aaron is a realist.
Problem: How does the sentence end?

Kylie had her mind set on seeing Venice by boat, but she was in a hurry so she saw it by trolley since the 
OPTIONS:
- trolley was slow.
- boat was slow.
Answer:
boat was slow.