Kyle was following a meal plan while Kevin was not, so 
OPTIONS:
- Kyle gained some weight.
- Kevin gained some weight.
Kevin gained some weight.

Monica bit their finger nail all the time but not Erin because 
OPTIONS:
- Monica had a calm disposition.
- Erin had a calm disposition.
Erin had a calm disposition.

The consultant had to send the documents to his clients through mail from the printer and not the computer because the 
OPTIONS:
- printer was not internet ready.
- computer was not internet ready.
computer was not internet ready.