A band is practicing their routine.
A band is tuning up their instruments.
practicing their routine is contradictory to tuning up
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_practice(e1) & n_routine(x2) & of(x2,x1) & n_thing(x1) & n_band(x1))
exists e1 s1 x1 x2.(a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_tune(e1) & n_instrument(x2) & of(x2,x1) & n_thing(x1) & n_band(x1))