A man in a tan suit jacket plays the clarinet.
A man playing a tuba
The first sentence says the man is playing a clarinet. The second sentence says he is playing the tuba. A man cannot be playing both the clarinet and the tuba at the same time.
exists e1 s1 x1 x2 x3 x4.(n_clarinet(x4) & Theme(e1,x4) & Actor(e1,x1) & v_play(e1) & in(x1,x2) & n_jacket(x2) & of(x2,x3) & n_suit(x3) & a_tan(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_tuba(x3) & (x1 = x2) & n_man(x1))