Problem: How does the sentence end?

Michael spent the day writing a personal letter to Nick, so 
OPTIONS:
- Michael was happy to hear they read it.
- Nick was happy to hear they read it.
Answer: Michael was happy to hear they read it.

Problem: How does the sentence end?

The oil spilled on Nick 's shirt while he cooked for Justin, so 
OPTIONS:
- Nick asked him for a clean shirt.
- Justin asked him for a clean shirt.
Answer: Nick asked him for a clean shirt.

Problem: How does the sentence end?

Katrina found a lot of mold in the house compared to Tanya, due to 
OPTIONS:
- Katrina 's house being ancient.
- Tanya 's house being ancient.
Answer: Katrina 's house being ancient.

Problem: How does the sentence end?

The grease on the bridge caused the car to slide off, but the truck stayed in control, as the 
OPTIONS:
- car had such poor traction.
- truck had such poor traction.
Answer:
car had such poor traction.