premise: Woman helps bride into dress.
hypothesis: A man brushes his hair.
explanation_1: A woman and a man are different sexes and brushing hair not the same as helping a bride into her dress.
explanation_2: The subject can be either a woman or a man and a person who helps a bride cannot be the person who brushes his hair.
explanation_3: Woman and man are two different sexes
premise_logic: exists e1 p1 x1.(ne_nam_woman(x1) & exists e2 x2.(into(e2,x2) & n_dress(x2) & Actor(e2,x1) & v_bride(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_help(e1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_brush(e1) & n_hair(x2) & of(x2,x1) & n_male(x1) & n_man(x1))