[Q]: How does the sentence end?

I tried to weigh the onions that I bought on my two scales, but I couldn't because the 
OPTIONS:
- onions were too big.
- scales were too big.

[A]: onions were too big.
QUES: Continue writing.

Christine borrowed a book from the library unlike Tanya because 

OPTIONS:
- Christine lost their library card.
- Tanya lost their library card.
+++++++++
ANS: Tanya lost their library card.
Problem: How does the sentence end?

My business meeting started at 9:00 and I needed to be home at 10:00 for an appointment, so there wasn't much time. The 
OPTIONS:
- meeting was behind, so it worked out.
- appointment was behind, so it worked out.
Answer: appointment was behind, so it worked out.
sentence: Pamela splashed her child with water instead of using an alarm to get the child out of bed. The  OPTIONS:
- alarm was ineffective.
- water was ineffective.
complete: alarm was ineffective.
Jason needs to clean a petrified wood and asks for Benjamin's help, so 
OPTIONS:
- Jason agrees to help her.
- Benjamin agrees to help her.
Benjamin agrees to help her.
Problem: Continue the following story.

Erin watched Kayla prune their roses with great interest because 
OPTIONS:
- Erin was a novice gardener.
- Kayla was a novice gardener.
Here's how I want to continue it:
Erin was a novice gardener.