premise: A man in goggle swimming.
hypothesis: A man smiling while swimming in goggles.
explanation_1: A man in goggles swimming is swimming in goggles.
explanation_2: A man in goggle swimming is the same as man swimming in goggles.
explanation_3: If the man in goggles is swimming he is swimming in his goggles.
premise_logic: exists s1 x1 x2.(a_topic(x1) & in(x1,x2) & n_swimming(x2) & a_goggle(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4.(a_topic(x1) & while(e1,x3) & in(x3,x4) & n_goggles(x4) & n_swimming(x3) & Actor(e1,x2) & v_smile(e1) & (x1 = x2) & n_man(x1))