Understanding is a synonym of Head. Head is related to Balloon. 
Offer is related to Point. Point is related to Sword. Sword can be used for Kill. Rage would make you want to Kill. 
Understanding <--Synonym--> Head <--RelatedTo--> Balloon 
Offer <--RelatedTo--> Point <--RelatedTo--> Sword --UsedFor--> Kill <--CausesDesire-- Rage 