Problem: How does the sentence end?

Nick pushed Joel's upper back gently with his hand during the stretch, because 
OPTIONS:
- Nick has stiff muscle.
- Joel has stiff muscle.
Answer: Joel has stiff muscle.
sentence: Betty called Tanya over to fix the toilet because  OPTIONS:
- Betty had no experience with plumbing issues and toilets.
- Tanya had no experience with plumbing issues and toilets.
complete: Betty had no experience with plumbing issues and toilets.
Joseph made honey on toast for breakfast, but Jason did not eat it because he thought it was gross. 
OPTIONS:
- Joseph thought it was rude not ask before making the toast.
- Jason thought it was rude not ask before making the toast.
Jason thought it was rude not ask before making the toast.
Input: Continue writing.

Cynthia has more spider veins on her legs than Emily because 
OPTIONS:
- Cynthia is much older.
- Emily is much older.

Continued: Cynthia is much older.
Story needs to be completed:
The people wanted answers from the owner, rather than the public relations specialist because the 
OPTIONS:
- owner had no responsibility in the business.
- specialist had no responsibility in the business.

My choice:
specialist had no responsibility in the business.
Problem: How does the sentence end?

Patricia goes to listen to Mary perform at the concert hall due to 
OPTIONS:
- Patricia being a singer.
- Mary being a singer.
Answer:
Mary being a singer.