With no explanation, label each line with "O", "person-athlete", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
was
Navratilova
's
10th
straight
win
against
Evert-Lloyd
but
her
first
on
clay
after
seven
prior
defeats
on
that
surface
.
It:O
was:O
Navratilova:person-athlete
's:O
10th:O
straight:O
win:O
against:O
Evert-Lloyd:person-athlete
but:O
her:O
first:O
on:O
clay:O
after:O
seven:O
prior:O
defeats:O
on:O
that:O
surface:O
.:O