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 ":".
Though
small
,
Parker
was
famed
for
his
quick
burst
off
the
line
of
scrimmage
.
Though:O
small:O
,:O
Parker:person-athlete
was:O
famed:O
for:O
his:O
quick:O
burst:O
off:O
the:O
line:O
of:O
scrimmage:O
.:O