Several black children are raising one arm looking excited.
children's performing
It cannot be inferred that the children are performing.
exists e1 e2 p1 s1 s2 x1 x2.(for(e1,e2) & exists s3.(Theme(s3,x1) & a_excited(s3)) & Topic(e2,p1) & Actor(e2,x1) & v_look(e2) & Theme(e1,x2) & Actor(e1,x1) & v_raise(e1) & n_arm(x2) & card_eq_1(x2) & n_child(x1) & a_black(s2) & Theme(s2,x1) & a_several(s1) & Theme(s1,x1))
exists x1 x2.(a_topic(x2) & n_perform(x2) & of(x2,x1) & n_child(x1))