Two men boxing in a boxing match
Men box in a ring.
It can be assumed that a box matching makes takes place in a boxing ring.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_match(x3) & of(x3,x4) & n_boxing(x4) & Actor(e1,x2) & v_box(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_ring(x3) & n_box(x1) & of(x1,x2) & n_man(x2))