A man in midair doing a flip.
A man is performing for a circus.
Doing a flip midair doesn't mean one has to be performing for a circus.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & n_flip(x4) & (x1 = x3) & in(x1,x2) & n_midair(x2) & n_man(x1))
exists e1 x1 x2.(for(e1,x2) & n_circus(x2) & Actor(e1,x1) & v_perform(e1) & n_man(x1))