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 ":".
Maurice
Pujo
and
Henri
Vaugeois
left
this
group
.
Maurice:person-politician
Pujo:person-politician
and:O
Henri:person-politician
Vaugeois:person-politician
left:O
this:O
group:O
.:O