A man in a red shirt is walking on the street.
The man is in a wheelchair.
A man cannot be walking on the street in a wheelchair.
exists e1 s1 x1 x2 x3.(n_street(x3) & on(e1,x3) & Actor(e1,x1) & v_walk(e1) & in(x1,x2) & n_shirt(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1.(n_man(x1) & exists x2.(in(x1,x2) & n_wheelchair(x2)))