high school football band practice
Football is being played.
To practice something means that it is being played.
exists s1 x1 x2 x3 x4.(n_practice(x1) & of(x1,x4) & n_band(x4) & of(x1,x3) & n_football(x3) & of(x1,x2) & n_school(x2) & a_high(s1) & Theme(s1,x1) & a_topic(x1))
exists e1 x1.(Theme(e1,x1) & v_play(e1) & n_football(x1))