A policeman wearing a yellow reflective jacket riding a motorcycle waving to the camera.
The man is wearing black pants.
A policeman wearing a yellow reflective jacket riding a motorcycle waving to the camera does not indicate that he is wearing black pants.
exists e1 e3 e2 s1 s2 x1 x2 x3 x4 x5 x6.(n_camera(x6) & a_topic(x1) & Theme(e3,x3) & Actor(e3,x2) & v_wear(e3) & for(e1,e2) & to(e2,x6) & Actor(e2,x4) & v_wave(e2) & Theme(e1,x5) & Actor(e1,x4) & v_ride(e1) & n_motorcycle(x5) & (x3 = x4) & n_jacket(x3) & a_reflective(s2) & Theme(s2,x3) & a_yellow(s1) & Theme(s1,x3) & (x1 = x2) & n_policeman(x1))
exists e1 s1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_pants(x2) & a_black(s1) & Theme(s1,x2))