Problem: Elena never had leak problems on their period unlike Carrie because 

My choice: Carrie always used light duty pads.


Problem: To explain the math lesson Tuesday, Donald drew for Ian a diagram that 

My choice: Donald drew earlier.


Problem: Justin was a lot more calm in a plane than Jason because 

My choice: Jason never visualized a safe landing.


Problem: College studying for exams suits Nick, but isn't easy for Nelson because 

My choice:
Nick is very studious.