Problem: Tanya could drink coffee black while Samantha needed creamer for theirs because 
OPTIONS:
- Tanya hated the bitterness.
- Samantha hated the bitterness.

My choice: Samantha hated the bitterness.
[Q]: How does the sentence end?

Samantha has studied for their anatomy exam about 2 hours more than Felicia, but 
OPTIONS:
- Samantha failed their test.
- Felicia failed their test.

[A]: Samantha failed their test.
QUES: Continue writing.

She preferred to practice music on guitar instead of piano, because the 

OPTIONS:
- guitar is harder for her.
- piano is harder for her.
+++++++++
ANS: piano is harder for her.
Problem: How does the sentence end?

Although Natalie was a better cook than Emily, 
OPTIONS:
- Natalie was a disaster at baking a cake.
- Emily was a disaster at baking a cake.
Answer: Natalie was a disaster at baking a cake.
sentence: Everyone thinks the terrier that Jeffrey adopted and gave to Nick as a gift is the cutest dog on Earth, so  OPTIONS:
- Jeffrey feels like they made a good decision.
- Nick feels like they made a good decision.
complete: Jeffrey feels like they made a good decision.
Input: Continue writing.

I replaced my old wood garden shed in the backyard with a concrete one. The 
OPTIONS:
- concrete was sturdy.
- wood was sturdy.

Continued:
concrete was sturdy.