A man is sitting down and playing a guitar like instrument.
A man standing up and jamming with his trumpet.
One cannot be sitting and standing simultaneously. Also a trumpet is not a guitar like instrument.
exists e2 e1 s1 x1 x2 x3 x4.(Theme(e2,x3) & Actor(e2,x2) & v_play(e2) & like(x3,x4) & n_instrument(x4) & n_guitar(x3) & n_man(x2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e2 e1 s1 x1 x2 x3 x4.(a_topic(x1) & with(e2,x4) & n_trumpet(x4) & of(x4,x1) & n_male(x1) & Actor(e2,x3) & v_jam(e2) & (x1 = x3) & a_up(s1) & Manner(e1,s1) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_man(x1))