Problem: The cactus poked William when Justin pushed them into it, so

My choice: Justin was full of guilt.

Problem: Felicia only likes dogs for pets while Laura only likes cats, so

My choice: Laura went to buy a new kitten.

Problem: I put my class notes in my book bag and misplaced it so I got an unforgettable backpack because the

My choice: backpack was gaudy.

Problem: Neil hated all kinds of birds while Leslie delighted in them, so

My choice:
Leslie took care of their pet parrot.