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
movement
was
permanently
repressed
by
the
government
and
finally
tried
to
annihilate
on
the
Tlatelolco
massacre
on
October
2
,
1968
.
The:O
movement:O
was:O
permanently:O
repressed:O
by:O
the:O
government:O
and:O
finally:O
tried:O
to:O
annihilate:O
on:O
the:O
Tlatelolco:location-GPE
massacre:O
on:O
October:O
2:O
,:O
1968:O
.:O