With no explanation, label each line with "location-GPE", "O", "organization-politicalparty", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
was
a
member
of
the
Polish
People
's
Party
``
Piast
``
(
``
PSL
``
Piast
``
``
,
from
1926
)
and
People
's
Party
(
``
Stronnictwo
Ludowe
''
,
from
1931
)
.
He:O
was:O
a:O
member:O
of:O
the:O
Polish:location-GPE
People:organization-politicalparty
's:organization-politicalparty
Party:organization-politicalparty
``:O
Piast:organization-politicalparty
``:O
(:O
``:O
PSL:organization-politicalparty
``:O
Piast:organization-politicalparty
``:O
``:O
,:O
from:O
1926:O
):O
and:O
People:organization-politicalparty
's:organization-politicalparty
Party:organization-politicalparty
(:O
``:O
Stronnictwo:O
Ludowe:O
'':O
,:O
from:O
1931:O
):O
.:O