Problem: How does the sentence end?

Kayla believed rats were disease carriers but Felicia didn't so 
OPTIONS:
- Kayla interacted with the pet rat.
- Felicia interacted with the pet rat.
Answer: Felicia interacted with the pet rat.

Problem: How does the sentence end?

Doctor gave some medicine to Betty but gave none to Tanya as 
OPTIONS:
- Betty was showing none of the symptoms of illness.
- Tanya was showing none of the symptoms of illness.
Answer: Tanya was showing none of the symptoms of illness.

Problem: How does the sentence end?

Rachel let Elena go to the event at the club in her place. 
OPTIONS:
- Rachel liked to avoid those kind of places.
- Elena liked to avoid those kind of places.
Answer: Rachel liked to avoid those kind of places.

Problem: How does the sentence end?

Justin excitedly told Robert that he was going to take up auto racing as a career.  
OPTIONS:
- Justin was worried for him.
- Robert was worried for him.
Answer:
Robert was worried for him.