Problem: Natalie showed Patricia the most efficient method for making a homework schedule. 

My choice: Natalie was a tutor.


Problem: Megan can calculate sums in their head but Cynthia needs a calculator, you can say 

My choice: Megan has a keen mind for math.


Problem: Authorization to enter the government building was granted to Adam but not Kevin because 

My choice: Kevin had inadequate credentials.


Problem: The grandchildren began jumping all over Brian but not Joel because they knew 

My choice:
Brian loved to play.