Fly is a type of Operate. Fly can be Small. 
Plant is a type of Stock. Stock is typically near Receiver. Receiver is a synonym of Recipient. Host is a type of Recipient. 
Operate <--IsA-- Fly --HasProperty--> Small 
Plant --IsA--> Stock <--LocatedNear--> Receiver <--Synonym--> Recipient <--IsA-- Host 