Two analogies that relate actions with their consequences are given in the form "A : B. C : ?". The phrase "A : B" relates action A to consequence B. Your task is to replace the question mark (?) with the appropriate consquence of the given action C, following the "A : B" relation. Your answer should be a single verb, without further explanation.

Input: Consider Input: listen : hear. ignite : ?

Output: burn


Input: Consider Input: trip : stumble. pursue : ?

Output: catch


Input: Consider Input: watch : see. listen : ?


Output: hear