Four piece band practicing before the nightclub opens.
The band is throwing their instruments in the garbage.
Throwing instruments is not practicing.
exists e1 x1 x2 x3.(n_nightclub(x3) & Actor(e1,x1) & v_open(e1) & before(x1,x3) & n_band(x1) & Time(x1,x2) & n_practicing(x2) & n_piece(x1) & card_eq_4(x1))
exists e1 x1 x2 x3.(n_garbage(x3) & n_instrument(x2) & of(x2,x1) & n_thing(x1) & n_band(x1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1))