A group of young people sitting in the grass as one plays a guitar and another the violin.
People are listening to music.
It is not necessary all people listening to music
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_violin(x8) & n_grass(x4) & Theme(e2,x6) & Actor(e2,x1) & v_play(e2) & subset_of(x8,x6) & Time(x8,x9) & n_another(x9) & subset_of(x7,x6) & n_guitar(x7) & of(x1,x2) & as(e1,x5) & n_thing(x5) & card_eq_1(x5) & in(e1,x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_people(x2) & a_young(s1) & Theme(s1,x2) & n_group(x1))
exists e1 x1 x2.(to(e1,x2) & n_music(x2) & Actor(e1,x1) & v_listen(e1) & n_people(x1))