With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Three
senators
joined
the
new
party
:
Rosario
Giorgio
Costa
,
Tomaso
Zanoletti
and
Ida
Maria
Dentamaro
.
Three:O
senators:O
joined:O
the:O
new:O
party:O
::O
Rosario:person-politician
Giorgio:person-politician
Costa:person-politician
,:O
Tomaso:person-politician
Zanoletti:person-politician
and:O
Ida:person-politician
Maria:person-politician
Dentamaro:person-politician
.:O