A man playing a xylophone is seated next to a man playing the guitar.
Two men are in a class learning how to play an instrument.
Men playing xylophone and guitar may not be in a class learning how to play an instrument.
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 p1 x1.(exists e1 x2 x3 x4.(in(x1,x2) & Topic(e1,x4) & Actor(e1,x3) & v_learn(e1) & n_manner(x4) & exists e2 x5 x6.(Theme(e2,x6) & Actor(e2,x5) & v_play(e2) & n_instrument(x6)) & (x2 = x3) & n_class(x2)) & n_man(x1) & card_eq_2(x1))