Auto is etymologically related to Automobile. Automobile have Trunk. Trunk can be used for Storage. Storage is related to Tank. 
Ask is related to Please. Please is related to Good. Good is related to Pretty. Pretty is a different concept from Ugly. 
Auto --EtymologicallyRelatedTo--> Automobile --HasA--> Trunk --UsedFor--> Storage <--RelatedTo--> Tank 
Ask <--RelatedTo--> Please <--RelatedTo--> Good <--RelatedTo--> Pretty <--DistinctFrom--> Ugly 