premise: The three boys who are wearing life jackets are looking into the water.
hypothesis: The boys are brothers
explanation_1: Just because three boys are wearing life jackets does not mean they are brothers.
premise_logic: exists e1 e2 x1 x2 x3 x4 x5.(n_water(x5) & n_boy(x1) & card_eq_3(x1) & into(e2,x5) & Actor(e2,x1) & v_look(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_jacket(x3) & of(x3,x4) & n_life(x4) & (x1 = x2))
hypothesis_logic: exists p1 x1.(n_boy(x1) & exists x2.((x1 = x2) & n_brother(x2)))
premise_sim: exists e1 e2 x1 x2 x3 x4 x5.(v_wear(e1) & v_look(e2) & of(x3,x4) & n_water(x5) & n_life(x4) & n_jacket(x3) & n_boy(x1) & into(e2,x5) & card_eq_3(x1) & Theme(e1,x3) & Actor(e2,x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists x1.(n_boy(x1) & exists x2.(n_brother(x2) & (x1 = x2)))