Oklahoma football player running after a Wisconsin player during a game.
Oklahoma's player attempts to sack the opposing quarterback.
A quarterback is not the only type of player who can be chased during a game. Just because an Oklahoma player is running after a Wisconsin player doesn't mean the Oklahoma player is attempting to sack the other player.
exists e1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & after(e1,x5) & during(x5,x7) & n_game(x7) & n_player(x5) & (x5 = x6) & ne_org_wisconsin(x6) & Actor(e1,x4) & v_run(e1) & (x1 = x4) & n_player(x1) & of(x1,x3) & n_football(x3) & (x1 = x2) & ne_geo_oklahoma(x2))
exists p1 s1 x1 x2 x3 x4.(Topic(x2,p1) & exists e1.(Theme(e1,x4) & Actor(e1,x2) & v_sack(e1)) & n_quarterback(x4) & a_opposing(s1) & Theme(s1,x4) & n_attempt(x2) & of(x2,x3) & n_player(x3) & of(x2,x1) & ne_geo_oklahoma(x1) & a_topic(x2))