Ally is a form of Alley. you are likely to find Trash in/at/on Alley. Trash is a synonym of Pan. 
Electric is related to Dance. Dance is related to Dirty. Dirty is derived from Dirt. Dirt is related to Pollution. 
Ally --FormOf--> Alley <--AtLocation-- Trash <--Synonym--> Pan 
Electric <--RelatedTo--> Dance <--RelatedTo--> Dirty --DerivedFrom--> Dirt <--RelatedTo--> Pollution 