A kid is jumping on a structure covered with soft material.
boy is throwing a  pillow
The kid is not necessarily a boy, and jumping does not mean throwing a pillow.
exists e2 e1 s1 x1 x2 x3 x4.(on(e1,x2) & with(e2,x4) & n_material(x4) & a_soft(s1) & Theme(s1,x4) & Theme(e2,x3) & v_cover(e2) & (x2 = x3) & n_structure(x2) & Actor(e1,x1) & v_jump(e1) & n_kid(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_pillow(x2) & n_boy(x1))