[Q]: How does the sentence end?

Dennis noticed who committed the murder at the party while Steven had no idea. 
OPTIONS:
- Dennis was befuddled.
- Steven was befuddled.

[A]: Steven was befuddled.
QUES: Continue writing.

Joseph's rash is being treated by Randy with medication due to 

OPTIONS:
- Joseph being a doctor.
- Randy being a doctor.
+++++++++
ANS: Randy being a doctor.
Problem: How does the sentence end?

Adam owns three cats, while Benjamin has none, so it is more likely that 
OPTIONS:
- Adam is the animal lover.
- Benjamin is the animal lover.
Answer: Adam is the animal lover.
sentence: The gemstone that he found on the mountain top was better than the stone because the  OPTIONS:
- gemstone was common.
- stone was common.
complete: stone was common.
The whole feed from the box cannot be emptied into the bowl because the 
OPTIONS:
- bowl is too small.
- box is too small.
bowl is too small.
Problem: Continue the following story.

The boy on the bike couldn't catch the boy on the skateboard, because the 
OPTIONS:
- bike was faster.
- skateboard was faster.
Here's how I want to continue it:
skateboard was faster.