A group of young and old practice together for an instrumental performance.
The members of an amateur band are practicing for tryouts to the London Symphony Orchestra.
Practice together for an instrumental performance does not necessarily mean amateur band or that it is for tryouts to the London Symphony Orchestra.
exists s1 s2 s3 x1 x2 x3.(a_topic(x1) & for(x1,x3) & n_performance(x3) & a_instrumental(s3) & Theme(s3,x3) & r_together(x1) & of(x1,x2) & n_practice(x2) & a_old(s2) & Theme(s2,x2) & a_young(s1) & Theme(s1,x2) & n_group(x1))
exists e1 s1 x1 x2 x3 x4 x5 x6.(ne_geo_orchestra(x4) & (x4 = x6) & ne_geo_symphony(x6) & (x4 = x5) & ne_geo_london(x5) & n_member(x1) & for(e1,x3) & to(x3,x4) & n_tryout(x3) & Actor(e1,x1) & v_practice(e1) & of(x1,x2) & n_band(x2) & a_amateur(s1) & Theme(s1,x2))