Duck is related to Bar. Bar is related to Like. Like is related to Coal. you are likely to find Coal in/at/on Mine. 
Negotiate is related to Offer. Offer is related to Communication. Contact is a type of Communication. Contact is related to Lens. 
Duck <--RelatedTo--> Bar <--RelatedTo--> Like <--RelatedTo--> Coal --AtLocation--> Mine 
Negotiate <--RelatedTo--> Offer <--RelatedTo--> Communication <--IsA-- Contact <--RelatedTo--> Lens 