you are likely to find Eye in/at/on Potato. you are likely to find Potato in/at/on Sink. Sink is related to Swim. 
Rifle is related to Trigger. Trick is etymologically related to Trigger. Trick is related to Bad. Bad is a different concept from Great. 
Eye --AtLocation--> Potato --AtLocation--> Sink <--RelatedTo--> Swim 
Rifle <--RelatedTo--> Trigger <--EtymologicallyRelatedTo-- Trick <--RelatedTo--> Bad <--DistinctFrom--> Great 