Delicate is related to Butterfly. Butterfly is related to Insect. Snake cannot be Insect. 
you are likely to find Passage in/at/on City. City is related to Water. Water is related to Essential. Essential is related to Crucial. 
Delicate <--RelatedTo--> Butterfly <--RelatedTo--> Insect <--NotHasProperty-- Snake 
Passage --AtLocation--> City <--RelatedTo--> Water <--RelatedTo--> Essential <--RelatedTo--> Crucial 