A boy in a black shirt has thrown a snowball that has left a trail of snow behind it in the air.
The boy is way black shirt
in a both sentence snowball and shirt are not same.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7.(n_air(x7) & Theme(e2,x3) & Actor(e2,x1) & v_throw(e2) & in(e1,x7) & Theme(e1,x5) & Actor(e1,x4) & v_leave(e1) & behind(x5,x1) & n_thing(x1) & of(x5,x6) & n_snow(x6) & n_trail(x5) & (x3 = x4) & n_snowball(x3) & in(x1,x2) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & n_boy(x1))
exists p1 x1.(n_boy(x1) & exists s1 x2 x3.((x1 = x2) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & of(x2,x3) & n_way(x3)))