With no explanation, label each line with "location-GPE", "O", "person-soldier", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
August
1881
,
Mexican
Commandant
Felipe
Neri
dispatched
troops
to
the
border
.
In:O
August:O
1881:O
,:O
Mexican:location-GPE
Commandant:O
Felipe:person-soldier
Neri:person-soldier
dispatched:O
troops:O
to:O
the:O
border:O
.:O