Two fighters are sparring in a gym full of onlookers.
The fighters are messing around as people look on at the gym.
Just because two fighters are sparring in a gym, it doesn't necessarily mean that they are messing around.
exists e1 s1 x1 x2 x3 x4.(in(e1,x2) & of(s1,x4) & n_onlooker(x4) & Theme(s1,x3) & a_full(s1) & (x2 = x3) & n_gym(x2) & Actor(e1,x1) & v_spar(e1) & n_fighter(x1) & card_eq_2(x1))
exists e1 p1 p2 x1 x3.(n_gym(x3) & n_fighter(x1) & exists e2 x2.(r_on(e2) & at(e2,x3) & Actor(e2,x2) & v_look(e2) & n_people(x2)) & as(e1,p2) & exists s1.(Theme(s1,x1) & a_around(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_mess(e1))