Man in blue jacket and khaki pants is walking near a man holding a blue and white umbrella.
Neither of the men have an umbrella.
Either neither of the men have an umbrella or at least one of the two men has an umbrella.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(near(e1,x5) & Theme(e2,x7) & Actor(e2,x6) & v_hold(e2) & n_umbrella(x7) & a_white(s3) & Theme(s3,x7) & a_blue(s2) & Theme(s2,x7) & (x5 = x6) & n_man(x5) & Actor(e1,x1) & v_walk(e1) & in(x1,x2) & n_pants(x2) & of(x2,x4) & n_khaki(x4) & of(x2,x3) & n_jacket(x3) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists x2.(n_man(x2) & -exists e1 x1 x3.(Theme(e1,x3) & Actor(e1,x1) & v_have(e1) & n_umbrella(x3) & of(x1,x2) & n_thing(x1)))