Problem: How does the sentence end?

All their lives, Michael has not been able to eat beans, though Jason can. 
OPTIONS:
- Michael has a strong stomach.
- Jason has a strong stomach.
Answer: Jason has a strong stomach.

Problem: How does the sentence end?

A leg of lamb is a luxury but pig's heart is not because the 
OPTIONS:
- lamb is very cheap.
- heart is very cheap.
Answer: heart is very cheap.

Problem: How does the sentence end?

Nick was not very cultured, while Nelson was very knowledgeable, so 
OPTIONS:
- Nick asked her to pick the movie .
- Nelson asked her to pick the movie .
Answer: Nick asked her to pick the movie .

Problem: How does the sentence end?

The man wanted to use the downstairs toilet over the upstairs one because the 
OPTIONS:
- downstairs toilet is more public.
- upstairs toilet is more public.
Answer:
upstairs toilet is more public.