Let is the opposite of Support. Support is the opposite of Contest. Playoff is a type of Contest. Playoff is related to Series. 
Zone is related to Home. Home is a type of Environment. Environment is related to Farm. Farm is related to Growing. 
Let <--Antonym--> Support <--Antonym--> Contest <--IsA-- Playoff <--RelatedTo--> Series 
Zone <--RelatedTo--> Home --IsA--> Environment <--RelatedTo--> Farm <--RelatedTo--> Growing 