A man with a goatee is working in an office.
A man buying groceries.
If a man is working in an office, he is not buying groceries at the same time.
exists e1 x1 x2 x3.(in(e1,x3) & n_office(x3) & Actor(e1,x1) & v_work(e1) & with(x1,x2) & n_goatee(x2) & n_man(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_buy(e1) & n_grocery(x3) & (x1 = x2) & n_man(x1))