Problem: How does the sentence end?

A small traditional wedding was suitable for Emily but not Samantha because
OPTIONS:
- Emily had come from a small family.
- Samantha had come from a small family.
Answer: Emily had come from a small family.

sentence: Jason made churros for Brett but did not eat any themselves, OPTIONS:
- Jason was older and hated sweets.
- Brett was older and hated sweets.
complete: Jason was older and hated sweets.

Victoria was worried about Angela's stuffy nose, because
OPTIONS:
- Victoria began to observe constant sniffling and sneezing.
- Angela began to observe constant sniffling and sneezing.
Victoria began to observe constant sniffling and sneezing.

Input: Continue writing.

Rachel enjoys sleeping on the ground, while Tanya really can't stand it, because
OPTIONS:
- Rachel likes hard surfaces.
- Tanya likes hard surfaces.

Continued: Rachel likes hard surfaces.

Story needs to be completed:
Nelson brought a list of stomach symptoms he'd experienced to Randy, but
OPTIONS:
- Nelson forgot to bring them up.
- Randy forgot to bring them up.

My choice:
Nelson forgot to bring them up.

Problem: How does the sentence end?

He ran into the building after he heard the siren go off. The
OPTIONS:
- siren was safe.
- building was safe.
Answer:
building was safe.