(Scalpel : Surgeon) , (Chisel : Soldier) , (Awl : Cobbler) , (Knife : Chef)
Option:
Justification: In all other pairs, first is a tool used by the second.

(Scalpel : Surgeon) , (Chisel : Soldier) , (Awl : Cobbler) , (Knife : Chef)
Justification: In all other pairs, first is a tool used by the second.