A young boy in a green shirt is strapped in a harness climbing a rock wall.
The rock wall is in use.
A boy strapped in a harness and climbing a rock wall shows that the rock wall is in use.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6.(in(e1,x3) & Theme(e2,x5) & Actor(e2,x4) & v_climb(e2) & n_wall(x5) & of(x5,x6) & n_rock(x6) & (x3 = x4) & n_harness(x3) & Theme(e1,x1) & v_strap(e1) & in(x1,x2) & n_shirt(x2) & a_green(s2) & Theme(s2,x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1 x2.(n_wall(x1) & of(x1,x2) & n_rock(x2) & exists x3.(in(x1,x3) & n_use(x3)))