Setting- anytime and any country where imagination is strictly not allowed.
Conflict- Although boy tried to prove that fish is a mermaid, no one believed him.
Symbol- A mermaid is symbol of freedom.
Irony- Although he tried to remember what mermaid looked like, he started to forget her.
Climax- When boy realized that it was just a fish, not a mermaid.
Theme: Every human have a right to think imagination freely, every human have a freedom.