Two people are on a stage playing stringed instruments for a small crowd.
Two people are sleeping.
One cannot be sleeping and playing instruments at the same time.
exists e1 e2 p1 s1 x1 x2 x3.(for(p1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_play(e2) & for(x2,x3) & n_crowd(x3) & a_small(s1) & Theme(s1,x3) & n_instrument(x2) & Theme(e1,x2) & v_stringe(e1) & exists x4.(on(x1,x4) & n_stage(x4)) & n_people(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_sleep(e1) & n_people(x1) & card_eq_2(x1))