Inevitable is a synonym of Certain. Certain is related to Being. Being is related to Bird. you are likely to find Bird in/at/on Tree. 
you are likely to find Mess in/at/on Table. Mess is the opposite of Organization. Union is a type of Organization. Union is a synonym of Coalition. 
Inevitable <--Synonym--> Certain <--RelatedTo--> Being <--RelatedTo--> Bird --AtLocation--> Tree 
Table <--AtLocation-- Mess <--Antonym--> Organization <--IsA-- Union <--Synonym--> Coalition 