Stand is a synonym of Rack. Rack is a type of Try. Try is a type of Act. Injury is a type of Act. 
you are likely to find Debris in/at/on Bridge. Rest is a type of Bridge. 
Stand <--Synonym--> Rack --IsA--> Try --IsA--> Act <--IsA-- Injury 
Debris --AtLocation--> Bridge <--IsA-- Rest 