A woman is at a gym exercising on a treadmill.
A woman is exercising.
A treadmill is used for exercising.
exists p1 x1.(exists e1 x2 x3 x4.(at(x1,x2) & on(e1,x4) & n_treadmill(x4) & Actor(e1,x3) & v_exercise(e1) & (x2 = x3) & n_gym(x2)) & n_woman(x1))
exists e1 x1.(Actor(e1,x1) & v_exercise(e1) & n_woman(x1))