A group of four musicians have set up on a city street corner and is playing for passersby.
The musicians have lost their instruments.
Musicians cannot play if their instruments are lost.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8.(for(e2,x8) & n_passersby(x8) & Actor(e2,x6) & v_play(e2) & of(x6,x7) & n_musician(x7) & card_eq_4(x7) & n_group(x6) & on(e1,x3) & n_corner(x3) & of(x3,x5) & n_street(x5) & of(x3,x4) & n_city(x4) & a_up(s1) & Manner(e1,s1) & Actor(e1,x1) & v_set(e1) & of(x1,x2) & n_musician(x2) & card_eq_4(x2) & n_group(x1))
exists e1 x1 x2.(n_instrument(x2) & of(x2,x1) & n_thing(x1) & n_musician(x1) & Theme(e1,x2) & Actor(e1,x1) & v_lose(e1))