Problem: How does the sentence end?

Donald liked the taste of mayonnaise on a sandwich but Steven liked mustard better. 
OPTIONS:
- Donald bought some Duke's mayo at the market.
- Steven bought some Duke's mayo at the market.
Answer: Donald bought some Duke's mayo at the market.
sentence: I filled my fountain pen with ink from a bottle until the  OPTIONS:
- bottle was empty.
- pen was empty.
complete: bottle was empty.
He needed to check the zoning laws of the city and county to build a pool in his backyard. The 
OPTIONS:
- city laws could not override the smaller area's laws.
- county laws could not override the smaller area's laws.
county laws could not override the smaller area's laws.
Input: Continue writing.

In order to gain control over the situation the leader shot his handgun up in the air but not his shotgun because the 
OPTIONS:
- handgun was malfunctioning.
- shotgun was malfunctioning.

Continued: shotgun was malfunctioning.
Story needs to be completed:
The manicurist tried to put the nails in the drawers but the 
OPTIONS:
- nails were too large.
- drawers were too large.

My choice:
nails were too large.
Problem: How does the sentence end?

I left the dining car of the train to go to the sleeper car because my head hurt and the 
OPTIONS:
- dining car was loud.
- sleeper car was loud.
Answer:
dining car was loud.