A woman in a white leotard is hanging onto a metal pole.
The woman is practicing gymnastics on the pole.
You can not infer she is practicing.
exists e1 s1 x1 x2 x3 x4.(onto(e1,x3) & n_pole(x3) & of(x3,x4) & n_metal(x4) & Actor(e1,x1) & v_hang(e1) & in(x1,x2) & n_leotard(x2) & a_white(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 x1 x2 x3.(n_pole(x3) & n_woman(x1) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_practice(e1) & n_gymnastics(x2))