Three people are doing handstands by some trees.
the child is black
We have no idea if the child is black, he could be any color.
exists e1 x1 x2 x3.(by(e1,x3) & n_tree(x3) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_handstand(x2) & n_people(x1) & card_eq_3(x1))
exists s1 x1.(n_child(x1) & Theme(s1,x1) & a_black(s1))