Problem: How does the sentence end?

Elena woke up at 9:00am while Natalie woke up at 6:00am, so 
OPTIONS:
- Elena had more time to get ready for school.
- Natalie had more time to get ready for school.
Answer: Natalie had more time to get ready for school.
sentence: After the accident, Benjamin wanted a used car but Brian wanted a new car.  OPTIONS:
- Benjamin thought used cars were a waste of money.
- Brian thought used cars were a waste of money.
complete: Brian thought used cars were a waste of money.
James regretted eating the unripe mango and later accepted to eat the apple instead and he found out the 
OPTIONS:
- apple is sweet.
- mango is sweet.
apple is sweet.
Input: Continue writing.

The school replaced the hardwood in the restroom with stained concrete over the summer break, the 
OPTIONS:
- hardwood was trendy.
- concrete was trendy.

Continued: concrete was trendy.
Story needs to be completed:
At the beach, Angela was more prone to sunburn than Elena because 
OPTIONS:
- Angela had applied sunblock quite liberally.
- Elena had applied sunblock quite liberally.

My choice:
Elena had applied sunblock quite liberally.
Problem: How does the sentence end?

He thought making statues was more rewarding than paintings, because the 
OPTIONS:
- paintings were challenging for him.
- statues were challenging for him.
Answer:
statues were challenging for him.