With no explanation, label each line with "O", "organization-politicalparty", "person-politician", "person-soldier", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
Mayr
later
became
Hitler
's
opponent
,
and
wrote
in
his
memoirs
that
General
Erich
Ludendorff
had
personally
ordered
him
to
have
Hitler
join
the
German
Workers
'
Party
(
DAP
)
and
build
it
up
.
Mayr:person-other
later:O
became:O
Hitler:person-politician
's:O
opponent:O
,:O
and:O
wrote:O
in:O
his:O
memoirs:O
that:O
General:O
Erich:person-soldier
Ludendorff:person-soldier
had:O
personally:O
ordered:O
him:O
to:O
have:O
Hitler:person-politician
join:O
the:O
German:organization-politicalparty
Workers:organization-politicalparty
':organization-politicalparty
Party:organization-politicalparty
(:O
DAP:organization-politicalparty
):O
and:O
build:O
it:O
up:O
.:O