A man with a purple tie is singing into a microphone.
A man with a red tie sings.
The tie cannot be both purple and red.
exists e1 s1 x1 x2 x3.(into(e1,x3) & n_microphone(x3) & Actor(e1,x1) & v_sing(e1) & with(x1,x2) & n_tie(x2) & a_purple(s1) & Theme(s1,x2) & n_man(x1))
exists s1 x1 x2 x3.(a_topic(x1) & with(x1,x2) & n_sing(x2) & of(x2,x3) & n_tie(x3) & a_red(s1) & Theme(s1,x2) & n_man(x1))