A male gymnast is swinging on the rings.
A man performed feats of gymnastics.
Swinging on the rings does not imply performing feats of gymnastics.
exists e1 s1 x1 x2.(n_ring(x2) & on(e1,x2) & Actor(e1,x1) & v_swing(e1) & n_gymnast(x1) & a_male(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & of(x2,x3) & n_gymnastics(x3) & n_feat(x2) & n_man(x1))