Problem: Robert led the hiking expedition into the wilderness instead of Nelson because 

My choice: Nelson was an inexperienced guide.


Problem: Jessica had many more friends than Mary, because 

My choice: Mary was never pleasant or generous with her time.


Problem: Patricia instructed Erin on how to use a plunger because 

My choice: Erin was an apprentice plumber.


Problem: Tanya helped Mary cook dinner, because 

My choice:
Tanya has been a fantastic cook for while now.