Two people dressed in battle gear, are practicing sparring in a gymnasium.
They are in the school auditorium rehearsing a musical number with a pianist.
They can't be sparring and also rehearsing and in a gymnasium and in an auditorium.
exists e1 e2 p1 x1 x2 x3 x4.(exists e3 x5.(in(e3,x5) & n_gymnasium(x5) & Actor(e3,x1) & v_spar(e3)) & Topic(e2,p1) & Actor(e2,x1) & v_practice(e2) & in(e1,x3) & n_gear(x3) & of(x3,x4) & n_battle(x4) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists p1 x1 x2 x3.(n_auditorium(x2) & of(x2,x3) & n_school(x3) & n_thing(x1) & exists e1 s1 x4 x5 x6.(in(x1,x2) & Theme(e1,x5) & Actor(e1,x4) & v_rehearse(e1) & with(x5,x6) & n_pianist(x6) & n_number(x5) & a_musical(s1) & Theme(s1,x5) & (x2 = x4)))