[Q]: How does the sentence end?

Instead of using nutmeg in the recipe, Mary used cinnamon, because she disliked the taste of the 
OPTIONS:
- nutmeg .
- cinnamon .

[A]: nutmeg .
QUES: Continue writing.

Natalie offered to lend her car to Lindsey, as 

OPTIONS:
- Natalie had desperate need for it that weekend.
- Lindsey had desperate need for it that weekend.
+++++++++
ANS: Lindsey had desperate need for it that weekend.
Problem: How does the sentence end?

The red candle burnt very fast under the flame because the 
OPTIONS:
- flame is very short.
- candle is very short.
Answer: candle is very short.
sentence: Jessica could not keep up with Lindsey in the race, as  OPTIONS:
- Jessica had a very plodding step.
- Lindsey had a very plodding step.
complete: Jessica had a very plodding step.
It was easy for Christopher to forgive and forget, but not Neil, as 
OPTIONS:
- Christopher believed people should have a second chance.
- Neil believed people should have a second chance.
Christopher believed people should have a second chance.
Problem: Continue the following story.

The janitor tried to use the spray to kill the mold but the 
OPTIONS:
- mold was too weak.
- spray was too weak.
Here's how I want to continue it:
spray was too weak.