Problem: How does the sentence end?

I will get on the scale at the house, but never at the doctor's office. The 
OPTIONS:
- house is public and obtrusive.
- office is public and obtrusive.
Answer: office is public and obtrusive.

Problem: How does the sentence end?

Laura is teaching Tanya how to fish for catfish because 
OPTIONS:
- Laura is an inexperienced fisherman.
- Tanya is an inexperienced fisherman.
Answer: Tanya is an inexperienced fisherman.

Problem: How does the sentence end?

A flashy automobile is what Joseph drives but not Craig because 
OPTIONS:
- Joseph makes less money.
- Craig makes less money.
Answer: Craig makes less money.

Problem: How does the sentence end?

William was greeting the mayor in Spanish during the event unlike Kevin because 
OPTIONS:
- William never went abroad.
- Kevin never went abroad.
Answer:
Kevin never went abroad.