Skiers being snowed on as they trudge across the snowscape.
People are skiing.
skiers are the same as people.
exists e1 p1 x1 x2 x3.(n_snowscape(x3) & a_topic(x1) & exists e2.(across(e2,x3) & Actor(e2,x1) & v_trudge(e2)) & n_thing(x1) & as(e1,p1) & on(e1,x2) & (x1 = x2) & v_snow(e1) & n_skier(x1))
exists e1 x1.(Actor(e1,x1) & v_ski(e1) & n_people(x1))