Young man standing on one hand in front of an audience.
The young man played his guitar.
The young man can't be standing on one hand if he's playing a guitar.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x4) & of(x4,x5) & n_audience(x5) & n_front(x4) & on(e1,x3) & n_hand(x3) & card_eq_1(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_guitar(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & a_young(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1))