premise: A group of people on the beach with cameras.
hypothesis: People are on a beach.
explanation_1: "People on the beach" is a rephrasing of "people are on a beach".
explanation_2: It is stated that the people are on the beach; the people are on the beach.
explanation_3: Group of people are people.
premise_logic: exists x1 x2 x3 x4.(n_beach(x3) & a_topic(x1) & of(x1,x2) & on(x2,x3) & with(x3,x4) & n_camera(x4) & n_people(x2) & n_group(x1))
hypothesis_logic: exists p1 x1.(exists x2.(on(x1,x2) & n_beach(x2)) & n_people(x1))