With no explanation, label each line with "location-GPE", "O", "other-law", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Within
the
United
Nations
Economic
Commission
for
Europe
,
he
led
the
delegation
on
the
negotiations
concerning
the
Aarhus
Convention
(
1998–2007
)
and
the
Espoo
Convention
(
1992–2002
)
,
the
``
Convention
on
the
Transboundary
Effects
of
Industrial
Accidents
``
(
Helsinki
1992
)
,
the
Convention
on
(
EIA
)
in
a
Transboundary
Context
(
Espoo
1991
)
.
Within:O
the:O
United:organization-other
Nations:organization-other
Economic:organization-other
Commission:organization-other
for:organization-other
Europe:organization-other
,:O
he:O
led:O
the:O
delegation:O
on:O
the:O
negotiations:O
concerning:O
the:O
Aarhus:other-law
Convention:other-law
(:O
1998–2007:O
):O
and:O
the:O
Espoo:other-law
Convention:other-law
(:O
1992–2002:O
):O
,:O
the:O
``:O
Convention:other-law
on:other-law
the:other-law
Transboundary:other-law
Effects:other-law
of:other-law
Industrial:other-law
Accidents:other-law
``:O
(:O
Helsinki:location-GPE
1992:O
):O
,:O
the:O
Convention:other-law
on:other-law
(:other-law
EIA:other-law
):other-law
in:other-law
a:other-law
Transboundary:other-law
Context:other-law
(:O
Espoo:other-law
1991:O
):O
.:O