Man holding a water pipe.
A woman holds her dog.
First, a man and a woman and different people.  Second, a water pipe and a dog are two different objects.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_pipe(x3) & of(x3,x4) & n_water(x4) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_dog(x2) & of(x2,x1) & n_female(x1) & n_woman(x1))