A man wearing headsets and sunglasses is walking down the street.
A man doesn't have any ears.
If the man is wearing headsets, then it is untrue to say that he doesn't have any ears.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(n_street(x6) & a_down(s1) & Manner(e2,s1) & Theme(e2,x6) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & subset_of(x5,x3) & n_sunglass(x5) & subset_of(x4,x3) & n_headset(x4) & (x1 = x2) & n_man(x1))
exists x1.(-all x2.(n_ear(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1))) & n_man(x1))