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
coordinated
attacks
were
the
most
destructive
bomb
explosions
in
Indian
history
.
The:O
coordinated:O
attacks:O
were:O
the:O
most:O
destructive:O
bomb:O
explosions:O
in:O
Indian:location-GPE
history:O
.:O