With no explanation, label each line with "O", "person-athlete", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Two
plays
later
,
Ryan
Mallett
completed
a
16-yard
touchdown
pass
to
Greg
Childs
to
stretch
the
lead
to
20–0
.
Two:O
plays:O
later:O
,:O
Ryan:person-athlete
Mallett:person-athlete
completed:O
a:O
16-yard:O
touchdown:O
pass:O
to:O
Greg:person-athlete
Childs:person-athlete
to:O
stretch:O
the:O
lead:O
to:O
20–0:O
.:O