Problem: Continue the following story.

Carrie took her hamster to the vet because it had diarrhea where Amy's diagnosed it with wet tail. 
OPTIONS:
- Carrie was very concerned about her favorite patient.
- Amy was very concerned about her favorite patient.
Here's how I want to continue it: Amy was very concerned about her favorite patient.
Problem: The crane was useless to build the house, but we used the backhoe, as the 
OPTIONS:
- crane was essential at that point.
- backhoe was essential at that point.

My choice: backhoe was essential at that point.
[Q]: How does the sentence end?

The work of John was way better than the job of Paul because the 
OPTIONS:
- work was useless.
- job was useless.

[A]: job was useless.
QUES: Continue writing.

The young schoolboy bought some new jeans to replace his khakis because the 

OPTIONS:
- khakis were old.
- jeans were old.
+++++++++
ANS: khakis were old.
Problem: How does the sentence end?

The plant is stopping the sun from reaching the top of the roof because the 
OPTIONS:
- plant is shorter.
- roof is shorter.
Answer: roof is shorter.
sentence: The child had an understanding of the pets but was hard at learning the wild animals because the  OPTIONS:
- pets were exotic.
- animals were exotic.
complete:
animals were exotic.