Clerk is a type of Work. Passion would make you want to Work. Passion is a type of Feeling. Feeling is related to Wet. 
Habitat is a type of Environment. Environment is related to Home. Home is related to Space. Space is related to Preserve. 
Clerk --IsA--> Work <--CausesDesire-- Passion --IsA--> Feeling <--RelatedTo--> Wet 
Habitat --IsA--> Environment <--RelatedTo--> Home <--RelatedTo--> Space <--RelatedTo--> Preserve 