With no explanation, label each line with "location-GPE", "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
As
during
World
War
I
,
the
facilities
were
used
to
detain
enemy
soldiers
in
addition
to
immigrants
,
and
the
hospital
was
used
for
treating
injured
American
soldiers
.
As:O
during:O
World:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
I:event-attack/battle/war/militaryconflict
,:O
the:O
facilities:O
were:O
used:O
to:O
detain:O
enemy:O
soldiers:O
in:O
addition:O
to:O
immigrants:O
,:O
and:O
the:O
hospital:O
was:O
used:O
for:O
treating:O
injured:O
American:location-GPE
soldiers:O
.:O