The snowboarder crashes down the snow covered mountain.
A man in the snow.
Being in the snow is what happens from crashing down the snow covered mountain.
exists e1 e2 s1 x1 x2 x3.(n_mountain(x2) & Theme(e1,x2) & v_cover(e1) & of(x2,x3) & n_snow(x3) & n_snowboarder(x1) & a_down(s1) & Manner(e2,s1) & Theme(e2,x2) & Actor(e2,x1) & v_crash(e2))
exists x1 x2.(n_snow(x2) & a_topic(x1) & in(x1,x2) & n_man(x1))