Double is a type of Hit. Shell is a type of Hit. Boot is a type of Shell. 
Confrontation is derived from Confront. Pit is a type of Confront. you are likely to find Pit in/at/on Country. you are likely to find Military in/at/on Country. 
Double --IsA--> Hit <--IsA-- Shell <--IsA-- Boot 
Confrontation --DerivedFrom--> Confront <--IsA-- Pit --AtLocation--> Country <--AtLocation-- Military 