Two football players are tackling an opposing football player with a referee nearby.
There are people playing a sport.
Tackling an opposing football player with a referee nearby is playing a sport.  Players are people.
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_nearby(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x1) & v_tackle(e1) & with(x3,x5) & n_referee(x5) & n_player(x3) & of(x3,x4) & n_football(x4) & a_opposing(s1) & Theme(s1,x3) & n_player(x1) & of(x1,x2) & n_football(x2) & card_eq_2(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_sport(x4) & (x2 = x3) & n_people(x2))