Two hikers walk up an old stone path and steps.
The bears are hiking in the mountains.
It's either hikers or bears, walking or biking, steps or mountains.
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_up(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_step(x5) & n_path(x4) & subset_of(x5,x2) & subset_of(x4,x2) & of(x2,x3) & n_stone(x3) & a_old(s1) & Theme(s1,x2) & n_hiker(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_mountain(x2) & n_bear(x1) & in(e1,x2) & Actor(e1,x1) & v_hike(e1))