Problem: How does the sentence end?

Katrina confided to Sarah that she didn't know how to sew a button on a shirt.  
OPTIONS:
- Katrina was reassuring.
- Sarah was reassuring.
Answer: Sarah was reassuring.

Problem: How does the sentence end?

It's obvious that Una's location in a technological city is present day and not from the past like a hunter gatherer village because the 
OPTIONS:
- city is modern.
- village is modern.
Answer: city is modern.

Problem: How does the sentence end?

The box can store the food better than the bottle for storing lunch because the opening of the 
OPTIONS:
- box is narrow.
- bottle is narrow.
Answer: bottle is narrow.

Problem: How does the sentence end?

They opted not to go to the dance but to the movie instead, the 
OPTIONS:
- dance seemed like a proper destination for their date.
- movie seemed like a proper destination for their date.
Answer:
movie seemed like a proper destination for their date.