A small black child is holding up a poster among many other children.
A small black child is at a protest.
Just because a small black child is holding up a poster it does not mean they are at a protest.
exists e1 s1 s2 s3 x1 x2 x3.(a_up(s3) & Manner(e1,s3) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & among(x2,x3) & -(x3 = x1) & n_child(x1) & n_child(x1) & n_child(x3) & n_quantity(x3) & n_poster(x2) & a_black(s2) & Theme(s2,x1) & a_small(s1) & Theme(s1,x1))
exists p1 s1 s2 x1.(exists x2.(at(x1,x2) & n_protest(x2)) & n_child(x1) & a_black(s2) & Theme(s2,x1) & a_small(s1) & Theme(s1,x1))