A kid standing up on a swing in a park.
A young circus performer is practicing.
Just because there is a kid standing up on a swing in a park, it does not mean that the kid is a circus performer, or that the kid is practicing.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_park(x4) & on(e1,x3) & n_swing(x3) & a_up(s1) & Manner(e1,s1) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_kid(x1))
exists e1 s1 x1 x2.(Actor(e1,x1) & v_practice(e1) & n_performer(x1) & of(x1,x2) & n_circus(x2) & a_young(s1) & Theme(s1,x1))