With no explanation, label each line with "location-GPE", "O", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
After
its
game
against
Penn
State
,
Purdue
travels
to
Iowa
City
,
Iowa
to
play
the
Iowa
Hawkeyes
.
After:O
its:O
game:O
against:O
Penn:organization-sportsteam
State:organization-sportsteam
,:O
Purdue:organization-sportsteam
travels:O
to:O
Iowa:location-GPE
City:location-GPE
,:O
Iowa:location-GPE
to:O
play:O
the:O
Iowa:organization-sportsteam
Hawkeyes:organization-sportsteam
.:O