A skier in red pants is on a snow covered slope.
A skier in red pants is on a snow covered slope on the weekend.
Not all skiers go on the weekend.
exists p1 s1 x1 x2.(exists e1 x3 x4.(on(x1,x3) & n_slope(x3) & Theme(e1,x3) & v_cover(e1) & of(x3,x4) & n_snow(x4)) & in(x1,x2) & n_pants(x2) & a_red(s1) & Theme(s1,x2) & n_skier(x1))
exists p1 s1 x1 x2 x5.(n_weekend(x5) & exists e1 x3 x4.(on(x1,x3) & on(x3,x5) & n_slope(x3) & Theme(e1,x3) & v_cover(e1) & of(x3,x4) & n_snow(x4)) & in(x1,x2) & n_pants(x2) & a_red(s1) & Theme(s1,x2) & n_skier(x1))