With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
1970
,
he
joined
Governor
Nelson
Rockefeller
in
speaking
out
in
favor
of
state
aid
to
parochial
schools
.
In:O
1970:O
,:O
he:O
joined:O
Governor:O
Nelson:person-politician
Rockefeller:person-politician
in:O
speaking:O
out:O
in:O
favor:O
of:O
state:O
aid:O
to:O
parochial:O
schools:O
.:O