A skier going down the snowy hill.
An athlete in a downhill skiing competition.
Just because a skier going down the snowy hill doesn't mean he is in a skiing competition.
exists e1 s1 s2 x1 x2 x3.(n_hill(x3) & a_snowy(s1) & Theme(s1,x3) & a_topic(x1) & a_down(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x2) & v_go(e1) & (x1 = x2) & n_skier(x1))
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & n_competition(x2) & of(x2,x3) & n_skiing(x3) & a_downhill(s1) & Theme(s1,x2) & n_athlete(x1))