A man in a hat is playing an acoustic guitar with a band at an outdoor venue.
A man is practicing his guitar before the big show.
Playing does not imply practicing. Just because the man is with a band at an outdoor venue does not mean he is about to play a big show.
exists e1 s1 s2 x1 x2 x3 x4 x5.(with(e1,x4) & at(x4,x5) & n_venue(x5) & a_outdoor(s2) & Theme(s2,x5) & n_band(x4) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_guitar(x3) & a_acoustic(s1) & Theme(s1,x3) & in(x1,x2) & n_hat(x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(n_show(x3) & a_big(s1) & Theme(s1,x3) & before(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_practice(e1) & n_guitar(x2) & of(x2,x1) & n_male(x1) & n_man(x1))