Service is a type of Company. Service is a synonym of Serve. Sit is a type of Serve. Sit is the opposite of Roll. 
Crop is related to Harvest. Harvest is a synonym of Gather. Gather is related to Coming. Coming is related to Rise. 
Company <--IsA-- Service <--Synonym--> Serve <--IsA-- Sit <--Antonym--> Roll 
Crop <--RelatedTo--> Harvest <--Synonym--> Gather <--RelatedTo--> Coming <--RelatedTo--> Rise 