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 ":".
Through
these
actions
Estonia
regained
its
independence
without
any
bloodshed
.
Through:O
these:O
actions:O
Estonia:location-GPE
regained:O
its:O
independence:O
without:O
any:O
bloodshed:O
.:O