there are four snow skiers going down the side of a hill.
People skiing together.
skiers going down almost the same as   skiing
exists p1 x1 x4.(n_side(x4) & exists e1 s1 x2 x3 x5.((x1 = x2) & down(e1,x4) & of(x4,x5) & n_hill(x5) & Actor(e1,x3) & v_go(e1) & (x2 = x3) & n_skier(x2) & a_snow(s1) & Theme(s1,x2) & card_eq_4(x2)))
exists e1 p1 x1 x2.(a_topic(x1) & exists s1.(Theme(s1,x2) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x2) & v_ski(e1) & (x1 = x2) & n_people(x1))