Poster is related to Print. Print is a synonym of Publish. Publish is a synonym of Issue. Issue is a type of Provision. 
Device is a synonym of Invention. Invention is created by Imagination. 
Poster <--RelatedTo--> Print <--Synonym--> Publish <--Synonym--> Issue --IsA--> Provision 
Device <--Synonym--> Invention --CreatedBy--> Imagination 