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:
nourish : grow. throw : ?

Ex Output:
fly


Ex Input:
throw : fly. trip : ?

Ex Output:
stumble


Ex Input:
drop : fall. listen : ?

Ex Output:

hear