you are likely to find Mouse in/at/on Trash. you are likely to find Trash in/at/on Dump. 
Ground is a type of Teach. Ground is related to Powder. Snow is a type of Powder. Snow is the opposite of Summer. 
Mouse --AtLocation--> Trash --AtLocation--> Dump 
Teach <--IsA-- Ground <--RelatedTo--> Powder <--IsA-- Snow <--Antonym--> Summer 