Two girls are doing cartwheels as other children stand around watching.
Two girls are working out with other children trying to imitate them.
Doing cartwheels does not imply working out and watching does not imply to imitate.
exists e1 p1 x1 x2 x4.(n_child(x4) & exists e3 e2 x3.(around(e2,e3) & Actor(e3,x3) & v_watch(e3) & Actor(e2,x3) & v_stand(e2) & -(x3 = x4) & n_child(x3)) & as(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_cartwheel(x2) & n_girl(x1) & card_eq_2(x1))
exists e2 e1 p1 s1 x1 x2 x3 x4.(n_thing(x3) & n_child(x3) & with(e1,x2) & Topic(e2,p1) & Actor(e2,x4) & v_try(e2) & exists e3.(Theme(e3,x3) & Actor(e3,x4) & v_imitate(e3)) & (x2 = x4) & -(x2 = x3) & n_child(x2) & a_out(s1) & Manner(e1,s1) & Actor(e1,x1) & v_work(e1) & n_girl(x1) & card_eq_2(x1))