A group of climbers ascends a narrow, snowy mountain ridge.
The climbers are outside.
A group of climbers on a mountain are outside.
exists e1 s1 s2 s3 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_ascend(e1) & n_ridge(x3) & of(x3,x4) & n_mountain(x4) & a_snowy(s3) & Theme(s3,x3) & a_,(s2) & Theme(s2,x3) & a_narrow(s1) & Theme(s1,x3) & of(x1,x2) & n_climber(x2) & n_group(x1))
exists s1 x1.(n_climber(x1) & Theme(s1,x1) & a_outside(s1))