premise: A man in a black hat opens his mouth.
hypothesis: A person separates his upper and lower jaw.
explanation_1: A man is a person, and separating one's upper and lower jaw is how the mouth opens.
explanation_2: When you open your mouth you separate your jaw.
explanation_3: The man is a person. The man opens his mouth means the same as he separates his upper and lower jaw.
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 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_separate(e1) & n_jaw(x2) & r_more(s2) & a_lower(s2) & Theme(s2,x2) & a_upper(s1) & Theme(s1,x2) & of(x2,x1) & n_male(x1) & n_person(x1))
premise_sim: exists e1 s1 x1 x2 x3.(v_open(e1) & of(x3,x1) & n_mouth(x3) & n_man(x1) & n_male(x1) & n_hat(x2) & in(x1,x2) & a_black(s1) & Theme(s1,x2) & Theme(e1,x3) & Actor(e1,x1))
hypothesis_sim: exists e1 s1 s2 x1 x2.(v_separate(e1) & r_more(s2) & of(x2,x1) & n_person(x1) & n_male(x1) & n_jaw(x2) & a_upper(s1) & a_lower(s2) & Theme(s2,x2) & Theme(s1,x2) & Theme(e1,x2) & Actor(e1,x1))