A woman in a red dress is playing the guitar at a small gathering.
A woman in a dress playing guitar.
in both sentences, a woman in a dress is playing guitar.
exists e1 s1 s2 x1 x2 x3 x4.(n_guitar(x3) & at(e1,x4) & n_gathering(x4) & a_small(s2) & Theme(s2,x4) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & in(x1,x2) & n_dress(x2) & a_red(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_guitar(x4) & (x2 = x3) & n_dress(x2) & n_woman(x1))