Fish is related to Term. Term is a synonym of Couch. Couch can be used for Comfort. one thing you do when you Comfort is Hug. 
Profit is the opposite of Debt. 
Fish <--RelatedTo--> Term <--Synonym--> Couch --UsedFor--> Comfort --HasSubevent--> Hug 
Profit <--Antonym--> Debt 