Problem: How does the sentence end?

Jeffrey looked throughout the whole house to get rid of the bugs for Matthew's sanity because 
OPTIONS:
- Jeffrey was an exterminator.
- Matthew was an exterminator.
Answer: Jeffrey was an exterminator.

Problem: How does the sentence end?

Randy was fed up with the heat, and Eric loved it, because 
OPTIONS:
- Randy was far less comfortable in cool climates.
- Eric was far less comfortable in cool climates.
Answer: Eric was far less comfortable in cool climates.

Problem: How does the sentence end?

Baking was a task Amy despised and Christine enjoyed to do so and opened a cafe, so 
OPTIONS:
- Amy sold bake goods their.
- Christine sold bake goods their.
Answer: Christine sold bake goods their.

Problem: How does the sentence end?

Jennifer asked Kayla to put the turkey drumsticks in the oven, since 
OPTIONS:
- Jennifer was at the house.
- Kayla was at the house.
Answer:
Kayla was at the house.