Punch is related to Combat. Combat is part of War. War is related to Injury. 
Nerve is related to Cell. you are likely to find Prisoner in/at/on Cell. Hostage is a type of Prisoner. 
Punch <--RelatedTo--> Combat --PartOf--> War <--RelatedTo--> Injury 
Nerve <--RelatedTo--> Cell <--AtLocation-- Prisoner <--IsA-- Hostage 