A businesswoman sitting at her desk and working on the computer.
The businesswoman is riding the subway.
One can not be sitting at a desk and riding the subway simultaneously.
exists e1 e2 x1 x2 x3 x4.(n_computer(x4) & on(e2,x4) & Actor(e2,x3) & v_work(e2) & n_businesswoman(x3) & at(e1,x2) & n_desk(x2) & of(x2,x1) & n_female(x1) & Actor(e1,x1) & v_sit(e1) & n_businesswoman(x1))
exists e1 x1 x2.(n_subway(x2) & n_businesswoman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1))