With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
On
29
April
2010
Pope
Benedict
XVI
elevated
the
Apostolic
Prefecture
of
Quetta
to
the
rank
of
Apostolic
vicariate
.
On:O
29:O
April:O
2010:O
Pope:O
Benedict:person-other
XVI:person-other
elevated:O
the:O
Apostolic:O
Prefecture:O
of:O
Quetta:location-GPE
to:O
the:O
rank:O
of:O
Apostolic:O
vicariate:O
.:O