premise: Two boys are swimming underwater with a woman in the background.
hypothesis: The boys are dry.
explanation_1: Boys can be two or more people.  If boys are swimming underwater they are not dry.
premise_logic: exists e1 x1 x2 x3 x4.(n_background(x4) & with(e1,x3) & in(x3,x4) & n_woman(x3) & Theme(e1,x2) & Actor(e1,x1) & v_swim(e1) & n_underwater(x2) & n_boy(x1) & card_eq_2(x1))
hypothesis_logic: exists s1 x1.(n_boy(x1) & Theme(s1,x1) & a_dry(s1))
premise_sim: exists e1 x1 x2 x3 x4.(with(e1,x3) & v_swim(e1) & n_woman(x3) & n_underwater(x2) & n_boy(x1) & n_background(x4) & in(x3,x4) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists s1 x1.(n_boy(x1) & a_dry(s1) & Theme(s1,x1))