An orchestra performing outside, in casual dress.
the orchestra is dismissed
A dismissed orchestra implies they are not performing.
exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_dress(x3) & a_casual(s2) & Theme(s2,x3) & a_outside(s1) & Manner(e1,s1) & Actor(e1,x2) & v_perform(e1) & (x1 = x2) & n_orchestra(x1))
exists e1 x1.(n_orchestra(x1) & Theme(e1,x1) & v_dismiss(e1))