Problem: How does the sentence end?

Angela had a common cold as opposed to Natalie who was very sick, so 
OPTIONS:
- Angela took strong medicine.
- Natalie took strong medicine.
Answer: Natalie took strong medicine.
sentence: The message was sent in a traditional fashion instead of a digital one because the  OPTIONS:
- traditional way is open to prying eyes.
- digital way is open to prying eyes.
complete: digital way is open to prying eyes.
Smoke from cigars permeated the lounge but the air was clear in the hall, as the 
OPTIONS:
- lounge permitted smoking.
- hall permitted smoking.
lounge permitted smoking.
Input: Continue writing.

Kayla asked Erin to administer first aid to their child because 
OPTIONS:
- Kayla didn't know how to.
- Erin didn't know how to.

Continued: Kayla didn't know how to.
Story needs to be completed:
William showed Randy how to replace the paneling in his home.  
OPTIONS:
- William was grateful.
- Randy was grateful.

My choice:
Randy was grateful.
Problem: How does the sentence end?

When Amy discovered Sarah drinking water straight from the tap, 
OPTIONS:
- Amy was filled with disgust.
- Sarah was filled with disgust.
Answer:
Amy was filled with disgust.