A group of climbers ascends a narrow, snowy mountain ridge.
People climb up a mountain during the day time.
Ascending a mountain ridge does not necessarily imply that people are climbing up a mountain during the day time.
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 e1 s1 x1 x2 x3 x4.(n_time(x3) & of(x3,x4) & n_day(x4) & during(e1,x3) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_mountain(x2) & n_people(x1))