Grant is a synonym of Assignment. Assignment is derived from Assign. Assign is a synonym of Allow. Allow is a type of Calculate. 
Adventure is related to Genre. Genre is related to Horror. Horror is the opposite of Comedy. 
Grant <--Synonym--> Assignment --DerivedFrom--> Assign <--Synonym--> Allow --IsA--> Calculate 
Adventure <--RelatedTo--> Genre <--RelatedTo--> Horror <--Antonym--> Comedy 