1 man singing and 1 man playing a saxophone in a concert.
The 2 men are spending their week with a musical tour group.
Just because these two men are performing does not mean that they are on tour.
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(s1) & subset_of(x3,s1) & in(e1,x6) & n_concert(x6) & Theme(e1,x5) & Actor(e1,x4) & v_play(e1) & n_saxophone(x5) & (x3 = x4) & n_man(x3) & n_date(x3) & a_date_day_01(x3) & a_date_day_01(x3) & subset_of(x1,s1) & n_singing(x1) & of(x1,x2) & n_man(x2) & n_date(x1) & a_date_day_01(x1) & a_date_day_01(x1))
exists e1 s1 x1 x2 x3 x4.(n_week(x2) & of(x2,x1) & n_thing(x1) & n_man(x1) & n_date(x1) & a_date_day_02(x1) & a_date_day_02(x1) & Theme(e1,x2) & Actor(e1,x1) & v_spend(e1) & with(x2,x3) & n_group(x3) & of(x3,x4) & n_tour(x4) & a_musical(s1) & Theme(s1,x3))