premise: Three people are standing on the dock of a boat looking at something off-camera.
hypothesis: A ghost is holding the camera.
explanation_1: Sentence one says nothing about a ghost so therefore sentence two can not talk about the ghost holding the camera
explanation_2: The subject is either a ghost or three people.
explanation_3: A ghost is not a person.
premise_logic: exists e1 e2 x1 x2 x3 x4 x5.(n_dock(x2) & for(e1,e2) & at(e2,x4) & Time(x4,x5) & n_off-camera(x5) & n_thing(x4) & Actor(e2,x1) & v_look(e2) & on(e1,x2) & of(x2,x3) & n_boat(x3) & Actor(e1,x1) & v_stand(e1) & n_people(x1) & card_eq_3(x1))
hypothesis_logic: exists e1 x1 x2.(n_camera(x2) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_ghost(x1))