With no explanation, label each line with "O", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
1959
,
the
United
States
Food
and
Drug
Administration
(
FDA
)
made
it
a
prescription
drug
.
In:O
1959:O
,:O
the:O
United:organization-government/governmentagency
States:organization-government/governmentagency
Food:organization-government/governmentagency
and:organization-government/governmentagency
Drug:organization-government/governmentagency
Administration:organization-government/governmentagency
(:O
FDA:organization-government/governmentagency
):O
made:O
it:O
a:O
prescription:O
drug:O
.:O