[Q]: How does the sentence end?

It seemed more likely that Logan would publish a scientific paper rather than Nelson because 
OPTIONS:
- Logan had not done any research.
- Nelson had not done any research.

[A]: Nelson had not done any research.


[Q]: How does the sentence end?

Craig always gets angry while Matthew is always calm, so 
OPTIONS:
- Craig yelled when they got a bad grade.
- Matthew yelled when they got a bad grade.

[A]: Craig yelled when they got a bad grade.


[Q]: How does the sentence end?

Tom wanted a piece of candy but he had not done the chores his mom asked him to do today.  Tom did the 
OPTIONS:
- chores quickly to have the candy.
- mom quickly to have the candy.

[A]:
chores quickly to have the candy.