Stage is related to Curtain. Curtain is a type of Barrier. Barrier is related to Test. Test is related to Educational. 
Interpret is a type of Perform. Perform is a synonym of Execute. Execute is a synonym of Pull. 
Stage <--RelatedTo--> Curtain --IsA--> Barrier <--RelatedTo--> Test <--RelatedTo--> Educational 
Interpret --IsA--> Perform <--Synonym--> Execute <--Synonym--> Pull 