A line of people are seen in silhouette on a snowy ridge when the sun is low in the sky.
A line of people wait for the ski lift.
People can be in line on a snowy ridge for many reasons, it cannot be assumed that they wait for a ski lift.
exists e1 p1 s1 x1 x2 x3 x4 x5 x6.(n_sky(x6) & n_sun(x5) & exists s2.(in(s2,x6) & Theme(s2,x5) & a_low(s2)) & when(e1,p1) & on(e1,x4) & n_ridge(x4) & a_snowy(s1) & Theme(s1,x4) & in(e1,x3) & n_silhouette(x3) & Theme(e1,x1) & v_see(e1) & of(x1,x2) & n_people(x2) & n_line(x1))
exists e1 x1 x2 x3 x4.(n_lift(x3) & of(x3,x4) & n_ski(x4) & for(e1,x3) & Actor(e1,x1) & v_wait(e1) & of(x1,x2) & n_people(x2) & n_line(x1))