Several people are juggling balls on the pavement while kids are looking on.
Children are watching a game of chess.
Juggling balls and a game of chess are two totally different activities that the children are watching.
exists e1 p1 s1 x1 x2 x3.(n_pavement(x3) & exists e2 s2 x4.(a_on(s2) & Manner(e2,s2) & Actor(e2,x4) & v_look(e2) & n_kid(x4)) & while(e1,p1) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_juggle(e1) & n_ball(x2) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & of(x2,x3) & n_chess(x3) & n_game(x2) & n_child(x1))