Deal is related to Broker. Agent is a type of Broker. Agent is a synonym of Factor. Factor is related to Fear. 
Mud is a type of Soil. Mud is related to Pig. Pig is related to Meat. 
Deal <--RelatedTo--> Broker <--IsA-- Agent <--Synonym--> Factor <--RelatedTo--> Fear 
Soil <--IsA-- Mud <--RelatedTo--> Pig <--RelatedTo--> Meat 