With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
government
of
Mexico
City
sponsored
the
placement
of
accelerometers
throughout
the
city
in
1987
,
allowing
data
to
be
obtained
on
ground
movements
in
the
area
.
The:O
government:O
of:O
Mexico:location-GPE
City:location-GPE
sponsored:O
the:O
placement:O
of:O
accelerometers:O
throughout:O
the:O
city:O
in:O
1987:O
,:O
allowing:O
data:O
to:O
be:O
obtained:O
on:O
ground:O
movements:O
in:O
the:O
area:O
.:O