With no explanation, label each line with "O", "person-athlete", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
also
won
the
Masters
Grand
Prix
title
for
the
third
time
,
defeating
Boris
Becker
in
straight
sets
.
He:O
also:O
won:O
the:O
Masters:event-sportsevent
Grand:event-sportsevent
Prix:event-sportsevent
title:O
for:O
the:O
third:O
time:O
,:O
defeating:O
Boris:person-athlete
Becker:person-athlete
in:O
straight:O
sets:O
.:O