1. An information processing apparatus comprising: circuitry configured to extract a predetermined matter from text information; identify one or multiple action patterns associated with the predetermined matter; extract each of the one or multiple action patterns from sensor information; and generate state information indicating a state related to the predetermined matter, based on each of the one or multiple action patterns extracted from the sensor information, using a contribution level indicating a degree of contribution of each of the one or multiple action patterns to the predetermined matter, for a combination of the predetermined matter and each of the one or multiple action patterns associated with the predetermined matter.