Muay thai fighters competing in a ring.
The fighters are in the last round of their competition.
Competing in a ring does  not imply it is the last round of the competition.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x5) & n_ring(x5) & Actor(e1,x4) & v_compete(e1) & (x1 = x4) & n_fighter(x1) & (x1 = x3) & ne_nam_thai(x3) & (x1 = x2) & ne_per_muay(x2))
exists p1 s1 x1 x2 x3.(n_competition(x3) & of(x3,x2) & n_thing(x2) & n_round(x2) & a_last(s1) & Theme(s1,x2) & n_fighter(x1) & in(x1,x2) & of(x2,x3))