premise: An elderly woman in a white jacket walking past a brick wall using a cain to support herself.
hypothesis: The woman is in a wheelchair.
explanation_1: The woman cannot both be walking and in a wheelchair at the same time.
explanation_2: A woman does not have to be elderly.  If a woman is walking she is not in a wheelchair,
explanation_3: The woman cannot be in a wheelchair and walking.
premise_logic: exists e2 e1 p1 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & for(e1,e2) & Theme(e2,p1) & Recipient(e2,x6) & Actor(e2,x3) & v_use(e2) & exists e3.(Theme(e3,x1) & Actor(e3,x3) & v_support(e3)) & n_female(x1) & n_cain(x6) & past(e1,x4) & n_wall(x4) & of(x4,x5) & n_brick(x5) & Actor(e1,x3) & v_walk(e1) & (x1 = x3) & in(x1,x2) & n_jacket(x2) & a_white(s2) & Theme(s2,x2) & n_woman(x1) & a_elderly(s1) & Theme(s1,x1))
hypothesis_logic: exists p1 x1.(n_woman(x1) & exists x2.(in(x1,x2) & n_wheelchair(x2)))