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 in the snow in the wintertime
Throwing a snowball, or being in the snow, does not necessarily mean it is wintertime. There are places where it snows during seasons other than winter.
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 x2 x3.(n_wintertime(x3) & n_snow(x2) & n_boy(x1) & in(x1,x2) & in(x2,x3))