Problem: How does the sentence end?

The bread was given away for free, but they charged for the cheese, as the 
OPTIONS:
- bread was so cheap to produce.
- cheese was so cheap to produce.
Answer: bread was so cheap to produce.
sentence: For the gala, I told him to wear his three piece suit with the vest instead of his polo shirt because the  OPTIONS:
- suit is formal.
- polo is formal.
complete: suit is formal.
Emily had to show Samantha how to make paper mache out of water and flour because 
OPTIONS:
- Emily had the necessary knowledge.
- Samantha had the necessary knowledge.
Emily had the necessary knowledge.
Input: Continue writing.

Cynthia had to buy an extra freezer but not Tanya because 
OPTIONS:
- Cynthia liked to eat fresh food.
- Tanya liked to eat fresh food.

Continued: Tanya liked to eat fresh food.
Story needs to be completed:
The eyeliner Mar purchased stays on all day, but she has to reapply her lipstick all the time, so the 
OPTIONS:
- eyeliner is long-lasting.
- lipstick is long-lasting.

My choice:
eyeliner is long-lasting.
Problem: How does the sentence end?

Felicia did not like comics but Betty loved them so, 
OPTIONS:
- Felicia refused to go to the comic book store.
- Betty refused to go to the comic book store.
Answer:
Felicia refused to go to the comic book store.