Bearded man playing the bass.
A man with a mustache is playing the piano.
The bearded man played the bass not piano. And he idi not have a mustache he had a beard.
exists e1 e2 x1 x2 x3.(n_bass(x3) & a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_play(e2) & (x1 = x2) & n_man(x1) & Theme(e1,x1) & v_beard(e1))
exists e1 x1 x2 x3.(n_piano(x3) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & with(x1,x2) & n_mustache(x2) & n_man(x1))