With no explanation, label each line with "O", "organization-company", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
A
year
later
,
Gatorade
and
the
American
College
of
Sports
Medicine
held
a
roundtable
meeting
on
``
exercise
and
fluid
replacement
''
.
A:O
year:O
later:O
,:O
Gatorade:organization-company
and:O
the:O
American:organization-education
College:organization-education
of:organization-education
Sports:organization-education
Medicine:organization-education
held:O
a:O
roundtable:O
meeting:O
on:O
``:O
exercise:O
and:O
fluid:O
replacement:O
'':O
.:O