Problem: How does the sentence end?

Mary decided to keep a journal rather than starting a blog. The 
OPTIONS:
- journal was more public and she could be herself.
- blog was more public and she could be herself.
Answer: blog was more public and she could be herself.
sentence: Emily gave a donation to the shelter while Cynthia didn't, because  OPTIONS:
- Emily was very rich and caring.
- Cynthia was very rich and caring.
complete: Emily was very rich and caring.
Passing a drug screening was going to be difficult for Samantha but not Natalie because 
OPTIONS:
- Samantha did not smoke a lot of marijuana.
- Natalie did not smoke a lot of marijuana.
Natalie did not smoke a lot of marijuana.
Input: Continue writing.

Planting a fruit tree was a good idea for William but not Derrick because 
OPTIONS:
- William enjoys eating fruit.
- Derrick enjoys eating fruit.

Continued: William enjoys eating fruit.
Story needs to be completed:
Being a leader was a natural fit for Monica but not Natalie, since 
OPTIONS:
- Monica was quiet and shy.
- Natalie was quiet and shy.

My choice:
Natalie was quiet and shy.
Problem: How does the sentence end?

He switched to taking notes in pen instead of on the laptop because the professor talked quickly and the 
OPTIONS:
- laptop was quick.
- pen was quick.
Answer:
pen was quick.