[Q]: How does the sentence end?

Wanting to become a forklift driver, Brett turns to Eric since 
OPTIONS:
- Brett can give a few lessons.
- Eric can give a few lessons.

[A]: Eric can give a few lessons.
QUES: Continue writing.

Betty relied on Sarah to monitor her work since 

OPTIONS:
- Betty was deficient at keeping track of her schedule.
- Sarah was deficient at keeping track of her schedule.
+++++++++
ANS: Betty was deficient at keeping track of her schedule.
Problem: How does the sentence end?

Jen applied the decoupage to the surface of the chair, because she thought it made the 
OPTIONS:
- decoupage look shiny.
- chair look shiny.
Answer: chair look shiny.
sentence: I would like to learn to ride a bicycle rather than a unicycle. To learn to ride the  OPTIONS:
- unicycle is easy.
- bicycle is easy.
complete: bicycle is easy.
Jason hated walking the runway more than taking photographs because the audience could be rowdy but the 
OPTIONS:
- runway meant there would not be an audience.
- photographs meant there would not be an audience.
photographs meant there would not be an audience.
Problem: Continue the following story.

Elena tried to warn Tanya that she was gluten intolerant based on her energy levels after eating since 
OPTIONS:
- Elena was observant.
- Tanya was observant.
Here's how I want to continue it:
Elena was observant.