With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Roosevelt
worked
his
entire
career
to
put
the
issue
high
on
the
national
agenda
.
Roosevelt:person-other
worked:O
his:O
entire:O
career:O
to:O
put:O
the:O
issue:O
high:O
on:O
the:O
national:O
agenda:O
.:O