[Q]: How does the sentence end?

Noah had to take out a loan to buy the house but not the vehicle because the 
OPTIONS:
- house was cheap.
- vehicle was cheap.

[A]: vehicle was cheap.
QUES: Continue writing.

Randy found it easier to be healthy than Derrick because 

OPTIONS:
- Randy did not eat a wide variety of fruits and vegetables.
- Derrick did not eat a wide variety of fruits and vegetables.
+++++++++
ANS: Derrick did not eat a wide variety of fruits and vegetables.
Problem: How does the sentence end?

Elena brought the really nice and cool shoes from Rachel because 
OPTIONS:
- Elena is the buyer.
- Rachel is the buyer.
Answer: Elena is the buyer.
sentence: Emily's body wasn't functioning as well as Maria's body, so  OPTIONS:
- Emily lost the running competition.
- Maria lost the running competition.
complete: Emily lost the running competition.
Jame could not get the stain off the tub even after soaking it the a bleach. The 
OPTIONS:
- stain is tough.
- bleach is tough.
stain is tough.
Problem: Continue the following story.

Sarah liked to watch the news, but Rebecca liked to watch sports, so 
OPTIONS:
- Sarah changed the channel to the news channel.
- Rebecca changed the channel to the news channel.
Here's how I want to continue it:
Sarah changed the channel to the news channel.