With no explanation, label each line with "O", "organization-politicalparty", "organization-other", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
On
5
February
,
1977
,
the
party
joined
with
the
Tanganyika
African
National
Union
(
TANU
)
to
form
Chama
Cha
Mapinduzi
(
CCM
)
.
On:O
5:O
February:O
,:O
1977:O
,:O
the:O
party:O
joined:O
with:O
the:O
Tanganyika:organization-education
African:organization-education
National:organization-education
Union:organization-education
(:O
TANU:organization-other
):O
to:O
form:O
Chama:organization-politicalparty
Cha:organization-politicalparty
Mapinduzi:organization-politicalparty
(:O
CCM:organization-politicalparty
):O
.:O