A crowd watching a street performer and two small children.
A street performer and two children perform for a crowd.
Just because a crowd is watching a street performer and two children it does not mean they perform.  Children do not have to be small.
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_watch(e1) & n_child(x6) & a_small(s1) & Theme(s1,x6) & card_eq_2(x6) & n_performer(x5) & subset_of(x6,x3) & subset_of(x5,x3) & of(x3,x4) & n_street(x4) & (x1 = x2) & n_crowd(x1))
exists e1 x1 x2 x3 x4 x5.(for(e1,x5) & n_crowd(x5) & Actor(e1,x1) & v_perform(e1) & n_child(x4) & card_eq_2(x4) & n_performer(x3) & subset_of(x4,x1) & subset_of(x3,x1) & of(x1,x2) & n_street(x2))