Class is a synonym of Category. Category is related to Crowd. Crowd is related to Exciting. Exciting is related to Sexy. 
Expensive is related to Tax. Tax is related to Deadline. Deadline is a type of Point. Point is related to Gesture. 
Class <--Synonym--> Category <--RelatedTo--> Crowd <--RelatedTo--> Exciting <--RelatedTo--> Sexy 
Expensive <--RelatedTo--> Tax <--RelatedTo--> Deadline --IsA--> Point <--RelatedTo--> Gesture 