Poke is a synonym of Purse. you are likely to find Pen in/at/on Purse. you are likely to find Pen in/at/on Classroom. Classroom is related to Clock. 
Fill is a type of Change. Fill is a type of Work. Work is a synonym of Function. Function is a type of Utility. 
Poke <--Synonym--> Purse <--AtLocation-- Pen --AtLocation--> Classroom <--RelatedTo--> Clock 
Change <--IsA-- Fill --IsA--> Work <--Synonym--> Function --IsA--> Utility 