Explosion is a type of Noise. Noise is related to Pink. Pink is related to Muscle. 
Physician is a type of Book. Book can be used for Study. you are likely to find Study in/at/on Mansion. 
Explosion --IsA--> Noise <--RelatedTo--> Pink <--RelatedTo--> Muscle 
Physician --IsA--> Book --UsedFor--> Study --AtLocation--> Mansion 