Male gymnast on the rings.
A man walks the high beam.
Both are gymnastic trials, but the man walking is not identified as a gymnast.
exists s1 x1 x2.(n_ring(x2) & a_topic(x1) & on(x1,x2) & n_gymnast(x1) & a_male(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_beam(x2) & a_high(s1) & Theme(s1,x2) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1))