A room with four people playing bagpipes with a couple other people watching.
The bagpipe players back their instruments away after a show
Playing bagpipes cannot be done if the musicians back their instruments away.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & with(x1,x2) & with(e1,x5) & Actor(e2,x7) & v_watch(e2) & (x5 = x7) & -(x5 = x2) & n_people(x2) & n_people(x2) & n_people(x5) & of(x5,x6) & n_couple(x6) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_bagpipe(x4) & (x2 = x3) & card_eq_4(x2) & n_room(x1))
exists e1 s1 x1 x2 x3 x4.(n_instrument(x3) & of(x3,x1) & n_thing(x1) & n_player(x1) & of(x1,x2) & n_bagpipe(x2) & after(e1,x4) & n_show(x4) & a_away(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_back(e1))