Garden is a type of Tend. you are likely to find Water in/at/on Garden. Water is related to Shower. Shower is related to Place. 
Operation is related to Job. Job is related to Fit. Fit is a synonym of Meet. 
Tend <--IsA-- Garden <--AtLocation-- Water <--RelatedTo--> Shower <--RelatedTo--> Place 
Operation <--RelatedTo--> Job <--RelatedTo--> Fit <--Synonym--> Meet 