With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
was
then
transferred
,
at
his
own
request
,
to
the
Royal
Engineers
on
1
January
1794
.
He:O
was:O
then:O
transferred:O
,:O
at:O
his:O
own:O
request:O
,:O
to:O
the:O
Royal:organization-other
Engineers:organization-other
on:O
1:O
January:O
1794:O
.:O