With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
May
2008
,
Shell
announced
that
it
was
pulling
out
of
the
project
.
In:O
May:O
2008:O
,:O
Shell:organization-company
announced:O
that:O
it:O
was:O
pulling:O
out:O
of:O
the:O
project:O
.:O