Problem: How does the sentence end?

Megan had much more energy in class than Carrie because 
OPTIONS:
- Megan had run out of coffee.
- Carrie had run out of coffee.
Answer: Carrie had run out of coffee.
sentence: I wanted add some color to the bedroom so I chose red pillows over grey pillows because the  OPTIONS:
- red pillows were vibrant.
- grey pillows were vibrant.
complete: red pillows were vibrant.
Jane chose to write about dolphins instead of bears for her thesis, although 
OPTIONS:
- dolphins were her strongest area of expertise.
- bears were her strongest area of expertise.
bears were her strongest area of expertise.
Input: Continue writing.

Mary made Christine a big tasty breakfast with one egg and two pieces of bacon so 
OPTIONS:
- Mary could start the day off right.
- Christine could start the day off right.

Continued: Christine could start the day off right.
Story needs to be completed:
The draining discussion was followed by a lively lecture.  The 
OPTIONS:
- discussion was just so interesting.
- lecture was just so interesting.

My choice:
lecture was just so interesting.
Problem: How does the sentence end?

Patricia got an offer to be a nude art model and wanted to share the news with Betty, so 
OPTIONS:
- Patricia invited her to the event.
- Betty invited her to the event.
Answer:
Patricia invited her to the event.