A man skis on a snowy mountain.
the man is going downhill
Not all ski mountains are downhill skiing.
exists e1 s1 x1 x2.(on(e1,x2) & n_mountain(x2) & a_snowy(s1) & Theme(s1,x2) & Actor(e1,x1) & v_ski(e1) & n_man(x1))
exists e1 s1 x1.(n_man(x1) & a_downhill(s1) & Manner(e1,s1) & Actor(e1,x1) & v_go(e1))