Joke is related to Statement. Reservation is a type of Statement. Reservation is a synonym of Reserve. 
Organize is a type of Initiate. Mount is a type of Organize. Mount is a type of Attach. 
Joke <--RelatedTo--> Statement <--IsA-- Reservation <--Synonym--> Reserve 
Initiate <--IsA-- Organize <--IsA-- Mount --IsA--> Attach 