Two boys watch a third boy kicking some snow.
The three boys weny swimming in the lake
There are either two boys or three boys.
exists e2 e1 s1 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & Theme(e1,x4) & Actor(e1,x3) & v_kick(e1) & n_snow(x4) & (x2 = x3) & n_boy(x2) & a_third(s1) & Theme(s1,x2) & n_boy(x1) & card_eq_2(x1))
exists s1 x1 x2 x3.(n_lake(x3) & n_swimming(x1) & a_weny(s1) & Theme(s1,x1) & of(x1,x2) & n_boy(x2) & card_eq_3(x1) & a_topic(x1) & in(x1,x3))