premise: A man in a black hat opens his mouth.
hypothesis: A man in black hat keeps his lips sealed.
explanation_1: He can't open his mouth and keep his lips sealed at the same time.
explanation_2: A man is either opened his mouth or kept is lips sealed.
explanation_3: Man either opens his mouth or keeps his lips sealed.
premise_logic: exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_open(e1) & n_mouth(x3) & of(x3,x1) & n_male(x1) & in(x1,x2) & n_hat(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists e1 e2 s1 x1 x2 x3 x4.(Theme(e2,x3) & Actor(e2,x1) & v_keep(e2) & Actor(e1,x4) & v_seal(e1) & (x3 = x4) & n_lip(x3) & of(x3,x1) & n_male(x1) & in(x1,x2) & n_hat(x2) & a_black(s1) & Theme(s1,x2) & n_man(x1))