One boy jumps over several other boys laying in the snow with his sled, while one boy sits on one end.
A boy and his friends are playing in the snow because it was a snow day.
Sentence 1 is missing playing in the snow.
exists e1 e2 p1 s1 x1 x2 x3 x4 x5.(n_snow(x4) & over(e1,x2) & exists e3 x6 x7.(on(e3,x7) & n_end(x7) & card_eq_1(x7) & Actor(e3,x6) & v_sit(e3) & n_boy(x6) & card_eq_1(x6)) & while(e2,p1) & in(e2,x4) & with(x4,x5) & n_sled(x5) & of(x5,x2) & n_male(x2) & Actor(e2,x3) & v_lay(e2) & (x2 = x3) & -(x2 = x1) & n_boy(x1) & n_boy(x1) & n_boy(x2) & a_several(s1) & Theme(s1,x2) & Actor(e1,x1) & v_jump(e1) & card_eq_1(x1))
exists e1 p1 x1 x2 x3 x4.(n_snow(x4) & exists p2 x5 x6.((x2 = x5) & n_day(x5) & of(x5,x6) & n_snow(x6)) & n_thing(x2) & because(e1,p1) & in(e1,x4) & Actor(e1,x1) & v_play(e1) & subset_of(x3,x1) & n_friend(x3) & of(x3,x2) & n_male(x2) & subset_of(x2,x1) & n_boy(x2))