Musicians playing for a group of people with blue hats on in outdoor settings.
A festival with music and dancing.
The musicians could be playing a concert or recital and not a festival and there could be no dancing if it were a seated concert or a recital.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(ne_nam_musicians(x1) & in(e1,x5) & n_setting(x5) & a_outdoor(s3) & Theme(s3,x5) & a_on(s2) & Manner(e1,s2) & for(e1,x2) & of(x2,x3) & with(x3,x4) & n_hat(x4) & a_blue(s1) & Theme(s1,x4) & n_people(x3) & n_group(x2) & Actor(e1,x1) & v_play(e1))
exists x1 x2 x3 x4.(a_topic(x1) & with(x1,x2) & n_dancing(x4) & n_music(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_festival(x1))