With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
troops
were
embarked
by
13.00
hours
and
within
half
an
hour
the
British
had
left
.
The:O
troops:O
were:O
embarked:O
by:O
13.00:O
hours:O
and:O
within:O
half:O
an:O
hour:O
the:O
British:location-GPE
had:O
left:O
.:O