three people standing in line.
A lady is playing basketball.
A lady is not three people. A lady is one person.
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_line(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1) & card_eq_3(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_basketball(x2) & n_lady(x1))