A person wearing slacks and a backpack climbs a ladder up the side of the rock face of a gorge.
A person climbs a ladder up the rock.
Climbing up the side of the rock face gorge is climbing up the rock, in more specified terms.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(n_face(x8) & of(x8,x9) & n_rock(x9) & n_side(x7) & up(e2,x7) & of(x7,x8) & of(x8,x10) & n_gorge(x10) & Theme(e2,x6) & Actor(e2,x1) & v_climb(e2) & n_ladder(x6) & subset_of(x5,x1) & n_backpack(x5) & subset_of(x2,x1) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & n_slacks(x4) & (x2 = x3) & n_person(x2))
exists e1 x1 x2 x3.(n_rock(x3) & up(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_ladder(x2) & n_person(x1))