Problem: How does the sentence end?

I asked Patricia to buy the present but didn't ask Jessica, I think 
OPTIONS:
- Patricia has an odd taste.
- Jessica has an odd taste.
Answer: Jessica has an odd taste.

Problem: How does the sentence end?

It was easier for us to pick the apples than the oranges because the 
OPTIONS:
- apples were lower down in the trees.
- oranges were lower down in the trees.
Answer: apples were lower down in the trees.

Problem: How does the sentence end?

Amanda used baking soda instead of toothpaste to brush her teeth because the 
OPTIONS:
- baking soda whitened them better.
- toothpaste whitened them better.
Answer: baking soda whitened them better.

Problem: How does the sentence end?

Maria asked Sarah if they knew how to setup a smart phone because 
OPTIONS:
- Maria could not figure it out.
- Sarah could not figure it out.
Answer:
Maria could not figure it out.