Mountain climbers are setting up their tents.
The mountain climbers have been climbing all day and need to rest desperately.
Mountain climbers setting up their tents have not necessarily been climbing all day and they not necessarily need to rest desperately.
exists e1 s1 x1 x2 x3.(a_up(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_set(e1) & n_tent(x3) & of(x3,x1) & n_thing(x1) & n_climber(x1) & (x1 = x2) & ne_nam_mountain(x2))
exists x4 x5.(n_climber(x4) & of(x4,x5) & n_mountain(x5) & all x2 x3 p1 x1.((Topic(x3,p1) & exists e1 s1.(a_desperately(s1) & Manner(e1,s1) & Actor(e1,x3) & v_rest(e1)) & n_need(x3) & n_day(x2) & subset_of(x3,x1) & subset_of(x2,x1)) -> exists e2.(Time(e2,x1) & Actor(e2,x4) & v_climb(e2))))