Story needs to be completed:
We had to spray the vines with insecticide, but not the flowers, since the 
OPTIONS:
- vines were impervious to insects.
- flowers were impervious to insects.

My choice:
flowers were impervious to insects.
Problem: Continue the following story.

He found it was easier to dig around the plant with a shovel than scraping away the dirt with a knife. The 
OPTIONS:
- shovel was better at removing dirt.
- knife was better at removing dirt.
Here's how I want to continue it: shovel was better at removing dirt.
Problem: Erin nearly flunked out of medical school and asked Sarah for guidance because 
OPTIONS:
- Erin gave expert advice.
- Sarah gave expert advice.

My choice: Sarah gave expert advice.
[Q]: How does the sentence end?

Craig never tried to show the blood to Kyle after getting cut since 
OPTIONS:
- Craig was a considerate person.
- Kyle was a considerate person.

[A]: Craig was a considerate person.
QUES: Continue writing.

Once the panties got hardened and the leggings were laundered with softening agents, the 

OPTIONS:
- panties were smooth.
- leggings were smooth.
+++++++++
ANS: leggings were smooth.
QUES: Continue writing.

Michael put more effort into their relationship than Jason, because 

OPTIONS:
- Michael was less invested in its success.
- Jason was less invested in its success.
+++++++++
ANS:
Jason was less invested in its success.