A group of hikers are resting on the ground in front of some mountains.
A group of hikers sit at the base of a mountain they hiked.
Sitting at the base does not mean they have already hiked.
exists e1 x1 x2 x3 x4 x5.(n_ground(x3) & on(e1,x3) & in(x3,x4) & of(x4,x5) & n_mountain(x5) & n_front(x4) & Actor(e1,x1) & v_rest(e1) & of(x1,x2) & n_hiker(x2) & n_group(x1))
exists e1 e2 x1 x2 x3 x4 x5.(n_thing(x3) & n_base(x3) & at(e1,x3) & of(x3,x4) & Theme(e2,x5) & Actor(e2,x3) & v_hike(e2) & (x4 = x5) & n_mountain(x4) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_hiker(x2) & n_group(x1))