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.

Example Input: trip : stumble. nourish : ?
Example Output: grow

Example Input: watch : see. aspire : ?
Example Output: attain

Example Input: watch : see. fear : ?
Example Output:
flee