Boy in sunglasses is running behind a fair.
A boy in sunglasses is running.
A boy in sunglasses running  and he is behind a fair
exists e1 x1 x2 x3.(ne_nam_boy(x1) & behind(e1,x3) & n_fair(x3) & Actor(e1,x1) & v_run(e1) & in(x1,x2) & n_sunglass(x2))
exists e1 x1 x2.(Actor(e1,x1) & v_run(e1) & in(x1,x2) & n_sunglass(x2) & n_boy(x1))