premise: An older man is standing outside in front of a truck.
hypothesis: A disabled man is in a wheelchair.
explanation_1: If the man is disabled and in a wheelchair, he cannot be standing outside.
explanation_2: One is standing, the other is in a wheelchair.
explanation_3: A disabled man in a wheel chair cannot be standing.
premise_logic: exists e1 s1 s2 x1 x2 x3.(in(e1,x2) & of(x2,x3) & n_truck(x3) & n_front(x2) & a_outside(s2) & Manner(e1,s2) & Actor(e1,x1) & v_stand(e1) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
hypothesis_logic: exists p1 s1 x1.(exists x2.(in(x1,x2) & n_wheelchair(x2)) & n_man(x1) & a_disabled(s1) & Theme(s1,x1))