Problem: The work of Natalie is so tedious compared to Maria because 

My choice: Natalie had an important job.


Problem: Brian liked to ride a bike very often but Robert did not because 

My choice: Brian was very energetic.


Problem: Nelson wants to write a song for his girlfriend and asks for Hunter's advice, because 

My choice: Hunter could help him.


Problem: Nelson used the new baseballs at the field to throw at Ryan because 

My choice:
Ryan was the catcher.