With no explanation, label each line with "O", "organization-politicalparty", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
There
was
pre-poll
alliance
in
the
state
between
the
Indian
National
Congress
and
the
Trinamool
Congress
against
the
Left
Front
.
There:O
was:O
pre-poll:O
alliance:O
in:O
the:O
state:O
between:O
the:O
Indian:organization-politicalparty
National:organization-politicalparty
Congress:organization-politicalparty
and:O
the:O
Trinamool:organization-politicalparty
Congress:organization-politicalparty
against:O
the:O
Left:organization-politicalparty
Front:organization-politicalparty
.:O