A hiker navigates a rope and wood bridge over a large dry ravine.
A hiker is climbing Mt. Mckinkley.
A hiker can be navigating bridges without climbing Mt. Mckinkley.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(over(e1,x6) & n_ravine(x6) & a_dry(s2) & Theme(s2,x6) & a_large(s1) & Theme(s1,x6) & Theme(e1,x2) & Actor(e1,x1) & v_navigate(e1) & n_bridge(x4) & of(x4,x5) & n_wood(x5) & n_rope(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_hiker(x1))
exists e1 x1 x2 x3.(ne_nam_mckinkley(x2) & on(e1,x3) & ne_nam_mt(x3) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_hiker(x1))