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.
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Question: trip : stumble. ignite : ?

Answer: burn


Question: drop : fall. ignite : ?

Answer: burn


Question: cut : bleed. nourish : ?

Answer:
grow