A man playing a xylophone is seated next to a man playing the guitar.
Two men play musical instruments as their families clap along
The two men playing musical instruments,  may not be playing the xylophone and guitar.
exists e1 e3 e2 x1 x2 x3 x4 x5 x6.(n_guitar(x6) & to(e2,x4) & Theme(e3,x6) & Actor(e3,x5) & v_play(e3) & (x4 = x5) & n_man(x4) & r_next(e2) & Theme(e2,x1) & v_seat(e2) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_xylophone(x3) & (x1 = x2) & n_man(x1))
exists e1 p1 s1 x1 x2 x3.(exists e2 p2.(exists s2.(Theme(s2,x3) & a_along(s2)) & Topic(e2,p2) & Actor(e2,x3) & v_clap(e2)) & n_family(x3) & of(x3,x1) & n_thing(x1) & as(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2) & a_musical(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))