Mad is related to Power. Power is related to Wind. Wind is related to Physical. Physical is related to Sign. 
Gas is related to State. Conflict is a type of State. Conflict is a synonym of Struggle. 
Mad <--RelatedTo--> Power <--RelatedTo--> Wind <--RelatedTo--> Physical <--RelatedTo--> Sign 
Gas <--RelatedTo--> State <--IsA-- Conflict <--Synonym--> Struggle 