[Q]: How does the sentence end?

In the stock market, Brian struggled trying to sell off stocks to Matthew, because 
OPTIONS:
- Brian lacked knowledge of the market.
- Matthew lacked knowledge of the market.

[A]: Brian lacked knowledge of the market.
QUES: Continue writing.

James finger could not enter his nose when it itched because the 

OPTIONS:
- nose is very small.
- finger is very small.
+++++++++
ANS: nose is very small.
Problem: How does the sentence end?

Kayla was going through old photos of Felicia when 
OPTIONS:
- Kayla found a very disturbing picture.
- Felicia found a very disturbing picture.
Answer: Kayla found a very disturbing picture.
sentence: Jason asked a lot of questions in class and Randy never talked, therefore the teacher asked  OPTIONS:
- Jason why they were so loud.
- Randy why they were so loud.
complete: Jason why they were so loud.
Steven made sure to eat dinner, but Derrick didn't have time, so as a result 
OPTIONS:
- Steven got drunk at the party.
- Derrick got drunk at the party.
Steven got drunk at the party.
Problem: Continue the following story.

The Birthday party was held at the museum and not the arcade. People find the 
OPTIONS:
- museum to be childish.
- arcade to be childish.
Here's how I want to continue it:
arcade to be childish.