A man in a gray jacket works on a brown motorcycle with a white helmet on it.
a man in a jacket works on a motorcycl
Man who works on a motorcycle is in gray jacket and the motorcycle is brown.
exists e1 s1 s2 s3 x1 x2 x3 x4.(on(e1,x3) & with(x3,x4) & on(x4,x1) & n_thing(x1) & n_helmet(x4) & a_white(s3) & Theme(s3,x4) & n_motorcycle(x3) & a_brown(s2) & Theme(s2,x3) & Actor(e1,x1) & v_work(e1) & in(x1,x2) & n_jacket(x2) & a_gray(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_motorcycl(x3) & Actor(e1,x1) & v_work(e1) & in(x1,x2) & n_jacket(x2) & n_man(x1))