With no explanation, label each line with "O", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Two
of
Fort
Standish
's
6-inch
guns
were
removed
,
but
were
remounted
in
1919
.
Two:O
of:O
Fort:location-other
Standish:location-other
's:O
6-inch:O
guns:O
were:O
removed:O
,:O
but:O
were:O
remounted:O
in:O
1919:O
.:O