Direct is related to Film. Separation is a type of Film. Wall can be used for Separation. Tile can be used for Wall. 
Conflict is a synonym of Fight. Fight is related to Contest. Contest is a synonym of Contend. Contend is a synonym of Oppose. 
Direct <--RelatedTo--> Film <--IsA-- Separation <--UsedFor-- Wall <--UsedFor-- Tile 
Conflict <--Synonym--> Fight <--RelatedTo--> Contest <--Synonym--> Contend <--Synonym--> Oppose 