premise: A young redheaded woman laughs at something.
hypothesis: A young redheaded man laughs at something.
explanation_1: a man can not laugh at something in sentence two if a woman laughs at something in sentence one
explanation_2: A person cannot be both a man and a woman.
explanation_3: man is not a woman
premise_logic: exists s1 s2 x1 x2 x3.(a_topic(x1) & at(x1,x3) & n_thing(x3) & n_laugh(x1) & of(x1,x2) & n_woman(x2) & a_redheaded(s2) & Theme(s2,x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists s1 s2 x1 x2 x3.(a_topic(x1) & at(x1,x3) & n_thing(x3) & n_laugh(x1) & of(x1,x2) & n_man(x2) & a_redheaded(s2) & Theme(s2,x1) & a_young(s1) & Theme(s1,x1))