A male gymnast does a handstand on the bars.
A man is walking in a park.
doing a handstand and walking are different activities
exists e1 s1 x1 x2 x3.(n_bar(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_handstand(x2) & n_gymnast(x1) & a_male(s1) & Theme(s1,x1))
exists e1 x1 x2.(in(e1,x2) & n_park(x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1))