premise: Two men, and one girl are wearing life jackets and swimming in the water.
hypothesis: Three people in life jackets pose next to the lifeguard stand.
explanation_1: People who pose next to the lifeguard stand can not be swimming in the water.
explanation_2: People who are swimming in the water are not able to pose next to the lifeguard stand.
explanation_3: Lifeguard stands are not in the water.  Also, one cannot pose and swim at the same time.
premise_logic: exists e1 x1 x2 x3 x4 x5 x6 x7 x8.(n_water(x8) & in(e1,x8) & Theme(e1,x4) & Actor(e1,x1) & v_wear(e1) & n_swimming(x7) & n_jacket(x6) & subset_of(x7,x4) & subset_of(x6,x4) & of(x4,x5) & n_life(x5) & subset_of(x3,x1) & n_girl(x3) & card_eq_1(x3) & subset_of(x2,x1) & n_man(x2) & card_eq_2(x2))
hypothesis_logic: exists e1 x1 x2 x3 x4 x5.(n_stand(x4) & of(x4,x5) & n_lifeguard(x5) & to(e1,x4) & r_next(e1) & Actor(e1,x1) & v_pose(e1) & in(x1,x2) & n_jacket(x2) & of(x2,x3) & n_life(x3) & n_people(x1) & card_eq_3(x1))
premise_sim: exists e1 x1 x2 x3 x4 x5 x6 x7 x8.(v_wear(e1) & subset_of(x7,x4) & subset_of(x6,x4) & subset_of(x3,x1) & subset_of(x2,x1) & of(x4,x5) & n_water(x8) & n_swimming(x7) & n_man(x2) & n_life(x5) & n_jacket(x6) & n_girl(x3) & in(e1,x8) & card_eq_2(x2) & card_eq_1(x3) & Theme(e1,x4) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2 x3 x4 x5.(v_pose(e1) & to(e1,x4) & r_next(e1) & of(x4,x5) & of(x2,x3) & n_stand(x4) & n_people(x1) & n_lifeguard(x5) & n_life(x3) & n_jacket(x2) & in(x1,x2) & card_eq_3(x1) & Actor(e1,x1))