A boy jumps off a short wall with his arms out.
The boy was hopping walls
Jumping off walls doesn't necessarily mean they are hopping walls
exists e1 s1 s2 s3 x1 x2 x3.(a_out(s3) & Manner(e1,s3) & a_off(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_jump(e1) & with(x2,x3) & n_arm(x3) & of(x3,x1) & n_male(x1) & n_wall(x2) & a_short(s1) & Theme(s1,x2) & n_boy(x1))
exists e1 x1 x2.(n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_hop(e1) & n_wall(x2))