Speaker is related to Type. Type is related to Energy. Energy is a different concept from Tire. 
Gross is a type of Sum. Purse is a type of Sum. you are likely to find Identification in/at/on Purse. Identification is a type of Identity. 
Speaker <--RelatedTo--> Type <--RelatedTo--> Energy <--DistinctFrom--> Tire 
Gross --IsA--> Sum <--IsA-- Purse <--AtLocation-- Identification --IsA--> Identity 