Two combatants in protective head and body gear, one in red vest and the other in blue, are engaged in martial arts sparring on a blue mat inside a gymnasium.
Two people are fighting in a gym.
Two people fighting in a gym could be wearing differently colored protective gear and fighting on a mat.
exists e1 e2 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13 x14.(n_other(x9) & in(e1,x11) & on(e2,x13) & inside(x13,x14) & n_gymnasium(x14) & n_mat(x13) & a_blue(s4) & Theme(s4,x13) & Actor(e2,x12) & v_spar(e2) & (x11 = x12) & n_art(x11) & a_martial(s3) & Theme(s3,x11) & Theme(e1,x1) & v_engage(e1) & in(x1,x2) & rel(x2,x6) & subset_of(x9,x6) & in(x9,x10) & n_blue(x10) & subset_of(x7,x6) & in(x7,x8) & n_vest(x8) & a_red(s2) & Theme(s2,x8) & n_thing(x7) & card_eq_1(x7) & n_gear(x4) & of(x4,x5) & n_body(x5) & n_head(x3) & subset_of(x4,x2) & subset_of(x3,x2) & a_protective(s1) & Theme(s1,x2) & n_combatant(x1) & card_eq_2(x1))
exists e1 x1 x2.(in(e1,x2) & n_gym(x2) & Actor(e1,x1) & v_fight(e1) & n_people(x1) & card_eq_2(x1))