With no explanation, label each line with "location-GPE", "O", "person-athlete", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
win
was
Hewitt
's
first
over
Federer
since
2003
and
snapped
a
15-match
losing
streak
against
the
Swiss
.
The:O
win:O
was:O
Hewitt:person-athlete
's:O
first:O
over:O
Federer:person-athlete
since:O
2003:O
and:O
snapped:O
a:O
15-match:O
losing:O
streak:O
against:O
the:O
Swiss:location-GPE
.:O