Spit is related to Mouth. you are likely to find Taste in/at/on Mouth. 
you are likely to find Performance in/at/on Commercial. Performance is related to Stage. Stage is related to Act. Act is a synonym of Number. 
Spit <--RelatedTo--> Mouth <--AtLocation-- Taste 
Commercial <--AtLocation-- Performance <--RelatedTo--> Stage <--RelatedTo--> Act <--Synonym--> Number 