Young boy in green shirt attempts juggling.
A kid practices juggling.
If someone attempts juggling, it implies they are are not expert which means that someone practices juggling.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Actor(e1,x4) & v_juggle(e1) & (x2 = x4) & n_attempt(x2) & of(x2,x3) & n_shirt(x3) & a_green(s2) & Theme(s2,x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(a_topic(x1) & Actor(e1,x3) & v_juggle(e1) & (x1 = x3) & n_practice(x1) & of(x1,x2) & n_kid(x2))