Skiiers on snow cappedhills
Skiiers are skiing.
Snow cappedhills implies he is skiing.
exists x1 x2 x3.(a_topic(x1) & on(x1,x2) & n_cappedhill(x2) & of(x2,x3) & n_snow(x3) & n_skiier(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_skiing(x2)) & n_skiier(x1))