Sink is a type of Move. Move is the opposite of Lay. 
Generate is a synonym of Render. Render is a synonym of Supply. Supply is related to Crop. Crop is a type of Bear. 
Sink --IsA--> Move <--Antonym--> Lay 
Generate <--Synonym--> Render <--Synonym--> Supply <--RelatedTo--> Crop --IsA--> Bear 