1. A method, comprising: receiving, by a computer, video from one or more video sources; generating, by the computer, one or more questions associated with one or more portions of the video; sending, by the computer, the one or more portions of the video and the one or more questions to one or more assistants; receiving, by the computer, one or more answers to the one or more questions from the one or more assistants; and determining, by the computer, a contextual interpretation of the video based on the one or more answers and the video, wherein: the video comprises recorded image sequences recorded by a surveillance system; the one or more assistants are one or more persons; and the determining the contextual interpretation by the computer uses interpretations of both the one or more persons and the computer; further comprising identifying, by the computer, the one or more portions of the video for which the determining the contextual interpretation requires assistance based on at least one user-defined objective for the contextual interpretation; wherein the at least one user-defined objective comprises identifying, based on one or more criterion defined by the user, one of: (i) one or more items possessed by a person in the video, and (ii) a person in the video having difficulty breathing.