[Q]: How does the sentence end?

The books that I bought at the auction didn't fit on the shelves, because the
OPTIONS:
- books were too short.
- shelves were too short.

[A]: shelves were too short.

QUES: Continue writing.

William yelled at Jason when

OPTIONS:
- William told them how much they charged to the credit card.
- Jason told them how much they charged to the credit card.
+++++++++
ANS: Jason told them how much they charged to the credit card.

Problem: How does the sentence end?

The eye doctor prescribed reading glasses to Samantha but not Emily because
OPTIONS:
- Samantha is farsighted.
- Emily is farsighted.
Answer: Samantha is farsighted.

sentence: Brett could ride a mountain bike while Hunter could not because OPTIONS:
- Brett had weaker balance.
- Hunter had weaker balance.
complete: Hunter had weaker balance.

The barista attempted to pour the hot coffee into the paper cup, but the
OPTIONS:
- coffee was too fragile.
- cup was too fragile.
cup was too fragile.

Problem: Continue the following story.

Sarah had a difficult childhood but Kayla had a spoiled one.
OPTIONS:
- Sarah never received gifts on their birthday.
- Kayla never received gifts on their birthday.
Here's how I want to continue it:
Sarah never received gifts on their birthday.