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.

Ex Input:
ignite : burn. listen : ?

Ex Output:
hear


Ex Input:
hit : shatter. travel : ?

Ex Output:
arrive


Ex Input:
travel : arrive. ignite : ?

Ex Output:
burn