Reward is related to Back. Back is related to Support. Stock is a type of Support. Stock is typically near Receiver. 
Give is related to Deliver. Deliver is related to Duty. Duty is related to Responsible. Responsibility is derived from Responsible. 
Reward <--RelatedTo--> Back <--RelatedTo--> Support <--IsA-- Stock <--LocatedNear--> Receiver 
Give <--RelatedTo--> Deliver <--RelatedTo--> Duty <--RelatedTo--> Responsible <--DerivedFrom-- Responsibility 