Story needs to be completed:
He quickly solved the puzzle, but was unable to complete the maze, because the 

My choice:
maze was complex.


Story needs to be completed:
Jason took on more physical challenges during camp than Steven because 

My choice:
Steven was not very aggressive.


Story needs to be completed:
The computer that Jessica was using belonged to Christine, so 

My choice:
Christine asked her to be very careful with it.


Story needs to be completed:
Derrick took great care of their pet Husky but Ryan did not because 

My choice:
Derrick was a very careful pet owner.