Four people hanging out on a park bench listening to one of the four play the guitar.
One person plays the guitar while the other three listen.
If four people are hanging out and only one of them are playing a guitar, then the other three are listening.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7 x8.(n_play(x7) & card_eq_4(x7) & a_topic(x1) & a_out(s1) & Manner(e1,s1) & on(e1,x3) & to(e2,x6) & of(x6,x7) & n_guitar(x8) & (x7 = x8) & n_thing(x6) & card_eq_1(x6) & Actor(e2,x5) & v_listen(e2) & (x3 = x5) & n_bench(x3) & of(x3,x4) & n_park(x4) & Actor(e1,x2) & v_hang(e1) & (x1 = x2) & n_people(x1) & card_eq_4(x1))
exists e1 p1 x1 x2.(-(x2 = x2) & n_thing(x2) & card_eq_3(x2) & n_guitar(x2) & exists e2.(Actor(e2,x2) & v_listen(e2)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_person(x1) & card_eq_1(x1))