A man in a black sweater and cap looks at a paper while drinking out of a wineglass.
A man is drinking a can of beer.
If this is the same man, he is either drinking out of a wineglass or a can of beer, but not both.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(while(e1,e2) & of(e2,x6) & n_wineglass(x6) & r_out(e2) & Actor(e2,x1) & v_drink(e2) & at(e1,x5) & n_paper(x5) & Actor(e1,x1) & v_look(e1) & subset_of(x4,x1) & n_cap(x4) & subset_of(x2,x1) & in(x2,x3) & n_sweater(x3) & a_black(s1) & Theme(s1,x3) & n_man(x2))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_drink(e1) & of(x2,x3) & n_beer(x3) & n_can(x2) & n_man(x1))