premise: A crowd of people with a lady with a bright orange shirt and another lady in black have their backs to the camera.
hypothesis: There are people facing away from the camera.
explanation_1: When your back is to a camera, it means you are facing away from it.
explanation_2: Crowd of people are people, have their backs to the camera is a paraphrase of facing away from the camera.
explanation_3: A lady and another lady make it more than one person, or people.
premise_logic: exists e1 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(n_camera(x10) & Theme(e1,x9) & Actor(e1,x1) & v_have(e1) & to(x9,x10) & n_back(x9) & of(x9,x1) & n_thing(x1) & with(x1,x4) & subset_of(x7,x4) & in(x7,x8) & n_black(x8) & n_lady(x7) & -(x7 = x3) & n_lady(x3) & n_lady(x3) & subset_of(x5,x4) & n_shirt(x5) & of(x5,x6) & n_orange(x6) & a_bright(s1) & Theme(s1,x5) & with(x1,x3) & of(x1,x2) & n_people(x2) & n_crowd(x1))
hypothesis_logic: exists p1 x1 x4.(n_camera(x4) & exists e1 x2 x3.((x1 = x2) & from(e1,x4) & r_away(e1) & Actor(e1,x3) & v_face(e1) & (x2 = x3) & n_people(x2)))