Problem: How does the sentence end?

Jason requested Logans assistance with their federal taxes because 
OPTIONS:
- Jason had no idea what to do.
- Logan had no idea what to do.
Answer: Jason had no idea what to do.

Problem: How does the sentence end?

When speaking to their crush Kayla would blush but Mary did not because 
OPTIONS:
- Kayla was very bold.
- Mary was very bold.
Answer: Mary was very bold.

Problem: How does the sentence end?

Everybody loved the vodka cocktail that Emily made at the party, while no one liked Erin's cocktail, because 
OPTIONS:
- Emily was an experienced bar tender.
- Erin was an experienced bar tender.
Answer: Emily was an experienced bar tender.

Problem: How does the sentence end?

Heather decided to replace the wheel of the car instead of the window because the 
OPTIONS:
- wheel was in stock.
- window was in stock.
Answer:
wheel was in stock.