A group of snowmobile riders gather in the snow.
Snowmobile riders are out in the snow.
The snowmobile is to be rode in the snow.
exists e1 s1 x1 x2 x3.(n_snow(x3) & in(e1,x3) & Actor(e1,x1) & v_gather(e1) & of(x1,x2) & n_rider(x2) & a_snowmobile(s1) & Theme(s1,x2) & n_group(x1))
exists s1 x1 x2 x3.(n_snow(x3) & in(s1,x3) & Theme(s1,x1) & a_out(s1) & n_rider(x1) & (x1 = x2) & ne_nam_snowmobile(x2))