Blade is related to Instrument. Instrument is a synonym of Tool. Punch is a type of Tool. Punch is related to Fighting. 
Class is a type of League. Class is related to College. College is related to Poster. 
Blade <--RelatedTo--> Instrument <--Synonym--> Tool <--IsA-- Punch <--RelatedTo--> Fighting 
League <--IsA-- Class <--RelatedTo--> College <--RelatedTo--> Poster 