[Q]: How does the sentence end?

Because Tanya stretched before their run and Sarah didn't, 
OPTIONS:
- Tanya got a cramp and had to stop.
- Sarah got a cramp and had to stop.

[A]: Sarah got a cramp and had to stop.
QUES: Continue writing.

Going to look at the fish in the pet store was Victoria's favorite thing, but Samantha hated fish, so 

OPTIONS:
- Victoria got an aquarium for her birthday.
- Samantha got an aquarium for her birthday.
+++++++++
ANS: Victoria got an aquarium for her birthday.
Problem: How does the sentence end?

The acorn that I ate for a snack chipped my tooth because the 
OPTIONS:
- acorn was hard.
- tooth was hard.
Answer: acorn was hard.
sentence: Alex decided to use a microwave instead of an oven because the  OPTIONS:
- microwave is inefficient.
- oven is inefficient.
complete: oven is inefficient.
My friend's room is decorated with both caterpillars and butterflies.  I prefer the butterflies because the 
OPTIONS:
- caterpillars are ugly.
- butterflies are ugly.
caterpillars are ugly.
Problem: Continue the following story.

Dave chose to buy chuck steak rather than t-bone steak, because the 
OPTIONS:
- chuck steak was cheaper.
- t-bone steak was cheaper.
Here's how I want to continue it:
chuck steak was cheaper.