Woman on an elliptical machine at a gym.
A woman pedals a stationary bike at a gym.
A stationary bank is not an elliptical machine.
exists s1 s2 x1 x2.(ne_nam_woman(s1) & a_topic(s1) & on(s1,x1) & at(x1,x2) & n_gym(x2) & n_machine(x1) & a_elliptical(s2) & Theme(s2,x1))
exists e1 s1 x1 x2 x3.(at(e1,x3) & n_gym(x3) & Theme(e1,x2) & Actor(e1,x1) & v_pedal(e1) & n_bike(x2) & a_stationary(s1) & Theme(s1,x2) & n_woman(x1))