Problem: How does the sentence end?

Randy asked Joseph if they knew how to start a barbecue because 
OPTIONS:
- Randy was confident.
- Joseph was confident.
Answer: Joseph was confident.

Problem: How does the sentence end?

I enjoyed the park a lot better than the old run down zoo, because the 
OPTIONS:
- zoo had more things too do.
- park had more things too do.
Answer: park had more things too do.

Problem: How does the sentence end?

I prefer the white gravy to the brown gravy on my biscuits as the 
OPTIONS:
- white gravy is creamier.
- brown gravy is creamier.
Answer: white gravy is creamier.

Problem: How does the sentence end?

Customers of the bakery were looking at them baking the cakes and ignored the donuts because the 
OPTIONS:
- cakes were interesting.
- donuts were interesting.
Answer:
cakes were interesting.