A man in a red shirt is walking on the street.
The man is walking on his knees
The man is either walking on the street or walking on his knees
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 e1 x1 x2.(n_knee(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & on(e1,x2) & Actor(e1,x1) & v_walk(e1))