premise: a man in a red shirt looking at a woman with red-hair
hypothesis: The person staring has no vision.
explanation_1: The man cannot simultaneously be looking at the woman and have no vision
explanation_2: If  a man is looking it does not mean he has no vision.  A person can be a man, woman, boy or a girl.
explanation_3: A person staring with no vision can't be looking (seeing) a woman with red-hair.
premise_logic: exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & at(e1,x4) & with(x4,x5) & n_red-hair(x5) & n_woman(x4) & Actor(e1,x3) & v_look(e1) & (x2 = x3) & n_shirt(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists x1 x2.(n_person(x1) & -exists e1 x3.(Theme(e1,x3) & Actor(e1,x1) & v_have(e1) & n_vision(x3)) & Time(x1,x2) & n_staring(x2))