Some people are dressed in classical European attire, while holding books and a drum.
A shakespeare troop rehearses a scene from Macbeth on the eve of a performance
People in European attire are not necessarily a shakespeare troop, and not necessarily rehearsing Macbeth on the eve of a performance.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5.(while(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_hold(e2) & subset_of(x5,x3) & n_drum(x5) & subset_of(x4,x3) & n_book(x4) & in(e1,x2) & n_attire(x2) & a_european(s2) & Theme(s2,x2) & a_classical(s1) & Theme(s1,x2) & Theme(e1,x1) & v_dress(e1) & n_people(x1))
exists e1 s1 x1 x2 x3 x4 x5.(n_eve(x4) & ne_geo_macbeth(x3) & Theme(e1,x2) & Actor(e1,x1) & v_rehearse(e1) & on(x2,x4) & of(x4,x5) & n_performance(x5) & from(x2,x3) & n_scene(x2) & n_troop(x1) & a_shakespeare(s1) & Theme(s1,x1))