Departure is a type of Act. Departure is a synonym of Retirement. Retirement is a synonym of Retreat. 
Producer is related to Farm. Farm is related to Stable. Stable is the opposite of Mobile. Mobile is related to Text. 
Act <--IsA-- Departure <--Synonym--> Retirement <--Synonym--> Retreat 
Producer <--RelatedTo--> Farm <--RelatedTo--> Stable <--Antonym--> Mobile <--RelatedTo--> Text 