[Q]: How does the sentence end?

Mary took the ship instead of the plane for her vacation because the 
OPTIONS:
- ship was too expensive.
- plane was too expensive.

[A]: plane was too expensive.
QUES: Continue writing.

The truck got damaged while it was transporting the steel because the 

OPTIONS:
- truck is light.
- steel is light.
+++++++++
ANS: truck is light.
Problem: How does the sentence end?

The doctor operated on the gallbladder, but left the liver alone because the 
OPTIONS:
- gallbladder was healthy.
- liver was healthy.
Answer: liver was healthy.
sentence: I smelled the cookies and wondered if mom was making oatmeal or chocolate chip.  I smelled melted chocolate so I ran down to get the  OPTIONS:
- oatmeal cookies.
- chocolate chip cookies.
complete: chocolate chip cookies.
She left the coach and headed to the taxi so she could take a faster route but the 
OPTIONS:
- coach was actually slower.
- taxi was actually slower.
taxi was actually slower.
Problem: Continue the following story.

Passing a drug screening was going to be difficult for Samantha but not Natalie because 
OPTIONS:
- Samantha did not smoke a lot of marijuana.
- Natalie did not smoke a lot of marijuana.
Here's how I want to continue it:
Natalie did not smoke a lot of marijuana.