Decrease is a synonym of Decline. Decline is a type of Condition. Tension is a type of Condition. Tension is related to Rub. 
Person wants (to) Influential. Person is related to Man. 
Decrease <--Synonym--> Decline --IsA--> Condition <--IsA-- Tension <--RelatedTo--> Rub 
Influential <--Desires-- Person <--RelatedTo--> Man 