PENDING
Please predict whether this patent is acceptable.PATENT ABSTRACT: According to one aspect of an embodiment an estimation device includes a collecting unit that collects pieces of operation information that indicate operational statuses of electric devices, provided in a predetermined facility, and terminal information that is acquired by a terminal device of a user in the predetermined facility. The estimation device includes an estimating unit that estimates an action of a user in the predetermined facility based on the pieces of operation information and the terminal information.