Football players engaged in a tackle.
Football players engaged in a tackle on a packed stadium.
It cannot be inferred that the players are engaged in tackle on a packed stadium.
exists e1 e2 x1 x2 x3 x4.(Actor(e2,x1) & v_tackle(e2) & in(e1,x4) & n_a(x4) & Theme(e1,x3) & v_engage(e1) & (x1 = x3) & n_player(x1) & of(x1,x2) & n_football(x2))
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x4) & on(x4,x5) & n_stadium(x5) & Theme(e2,x5) & v_pack(e2) & n_tackle(x4) & Theme(e1,x3) & v_engage(e1) & (x1 = x3) & n_player(x1) & of(x1,x2) & n_football(x2))