Receiver is typically near Bolt. Bolt is related to Neck. Neck is related to Flesh. 
Extended is related to Branch. Branch is related to Location. Location is related to Top. Top is related to Upper. 
Receiver <--LocatedNear--> Bolt <--RelatedTo--> Neck <--RelatedTo--> Flesh 
Extended <--RelatedTo--> Branch <--RelatedTo--> Location <--RelatedTo--> Top <--RelatedTo--> Upper 