Three football players, #16 is throwing the football, #71 is blocking the other opponent.
The quarterback is looking downfield.
It cannot be inferred that the quarterback of the football team is looking downfield.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(-(x5 = x5) & n_opponent(x5) & Theme(e2,x5) & Actor(e2,x4) & v_block(e2) & n_thing(x4) & card_eq_71(x4) & a_#(s2) & Theme(s2,x4) & r_three(e1) & rel(e1,x3) & n_player(x3) & of(x3,x2) & n_football(x2) & n_football(x2) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_date(x1) & a_date_day_16(x1) & a_date_day_16(x1) & a_#(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_quarterback(x1) & Time(e1,x2) & n_downfield(x2) & Actor(e1,x1) & v_look(e1))