3. The information processing system according claim 1 , the circuitry further configured to associate an action expression with an environment expression extracted from the same incident information.
3. The information processing system according claim 1 , the circuitry further configured to associate an action expression with an environment expression extracted from the same incident information. 10. The information processing system according to claim 3 , the circuitry further configured to for an action expression having frequency of extraction exceeding a predetermined threshold value, in the outputting, output the action expression and an environment expression associated with the action expression.