Act is a type of Performance. Performance is related to Stage. you are likely to find Musician in/at/on Stage. 
Sort is a synonym of Rank. Rank is related to Smell. Smell is related to Human. Detective is a type of Human. 
Act --IsA--> Performance <--RelatedTo--> Stage <--AtLocation-- Musician 
Sort <--Synonym--> Rank <--RelatedTo--> Smell <--RelatedTo--> Human <--IsA-- Detective 