A man repairing a watch while another man observes.
Two women stand in the shop.
Answer : There are either two women in the shop or two men in the shop.
exists e1 p1 x1 x2 x3.(a_topic(x1) & exists e2 x4.(Actor(e2,x4) & v_observe(e2) & n_man(x4) & -(x4 = x1)) & n_man(x1) & n_man(x1) & while(e1,p1) & Theme(e1,x3) & Actor(e1,x2) & v_repair(e1) & n_watch(x3) & (x1 = x2))
exists e1 x1 x2.(n_shop(x2) & in(e1,x2) & Actor(e1,x1) & v_stand(e1) & n_woman(x1) & card_eq_2(x1))