premise: A person just about to stand up while water-skiing, while people in the background watch and take photos.
hypothesis: A person is driving an airplane over the mountains.
explanation_1: water-skiing is different and also takes place in water where driving an airplane is different and takes place in midair.
explanation_2: A person cannot water ski while flying an airplane over mountains at the same time.
explanation_3: A person cannot be water-skiing and driving an airplane at the same time.
premise_logic: exists p1 s1 x1 x2 x5 x6.(n_watch(x5) & of(x5,x6) & n_background(x6) & a_topic(x1) & r_just(s1) & Topic(s1,p1) & Actor(s1,x2) & a_about(s1) & exists e2 e1 s2 x3 x4 x7.(Theme(e2,x7) & Actor(e2,x2) & v_take(e2) & n_photo(x7) & in(e1,x5) & while(e1,x4) & n_people(x4) & while(e1,x3) & n_water-skiing(x3) & a_up(s2) & Manner(e1,s2) & Actor(e1,x2) & v_stand(e1)) & (x1 = x2) & n_person(x1))
hypothesis_logic: exists e1 x1 x2 x3.(n_mountain(x3) & over(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_drive(e1) & n_airplane(x2) & n_person(x1))