A boy scaling down rocks without any climbing gear.
A boy is climbing down rocks.
boy scaling down rocks is same as boy is climbing down rocks
exists e1 s1 x1 x2 x3.(a_topic(x1) & -all e2 x4.((n_gear(x4) & Actor(e2,x4) & v_climb(e2)) -> with(e1,x4)) & a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_scale(e1) & n_rock(x3) & (x1 = x2) & n_boy(x1))
exists e1 s1 x1 x2.(a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_rock(x2) & n_boy(x1))