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 ":".
On
14
May
1851
,
some
of
Robert
McClure
's
men
reached
its
north
side
.
On:O
14:O
May:O
1851:O
,:O
some:O
of:O
Robert:person-other
McClure:person-other
's:O
men:O
reached:O
its:O
north:O
side:O
.:O