With no explanation, label each line with "location-GPE", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
173rd
Siege
Bty
remained
with
Fifth
Army
during
the
winter
,
switching
to
10th
HAG
on
11
December
,
and
back
to
40th
HAG
on
2
February
,
while
Fifth
Army
carried
out
a
series
of
small
Operations
on
the
Ancre
Ancre
,
January–March
1917
.
173rd:O
Siege:location-GPE
Bty:location-GPE
remained:O
with:O
Fifth:organization-other
Army:organization-other
during:O
the:O
winter:O
,:O
switching:O
to:O
10th:O
HAG:O
on:O
11:O
December:O
,:O
and:O
back:O
to:O
40th:O
HAG:O
on:O
2:O
February:O
,:O
while:O
Fifth:organization-other
Army:organization-other
carried:O
out:O
a:O
series:O
of:O
small:O
Operations:O
on:O
the:O
Ancre:location-GPE
Ancre:location-GPE
,:O
January–March:O
1917:O
.:O