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 ":".
Kennedy
won
the
New
Hampshire
primary
on
March
8
without
facing
any
opposition
.
Kennedy:person-politician
won:O
the:O
New:person-politician
Hampshire:person-politician
primary:O
on:O
March:O
8:O
without:O
facing:O
any:O
opposition:O
.:O