Several black children are raising one arm looking excited.
children's watching tv
Children raising one arm looking excited can't be described as being engaged in watching tv.
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 x3.(a_topic(x2) & Time(x2,x3) & n_tv(x3) & n_watching(x2) & of(x2,x1) & n_child(x1))