This is a snow fight between 5 kids.
The girl hit the boy with a big water ballon.
The kids are either playing with water or snow.
exists p1 x1.(n_thing(x1) & exists x2 x3 x4.((x1 = x2) & between(x2,x4) & n_kid(x4) & n_date(x4) & a_date_day_05(x4) & a_date_day_05(x4) & n_fight(x2) & of(x2,x3) & n_snow(x3)))
exists e1 s1 x1 x2 x3 x4.(n_boy(x2) & n_girl(x1) & with(e1,x3) & n_ballon(x3) & of(x3,x4) & n_water(x4) & a_big(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_hit(e1))