With no explanation, label each line with "product-other", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
HTC
Explorer
,
code-named
Pico
,
is
a
smartphone
developed
by
the
HTC
Corporation
that
was
released
in
October
2011
.
The:O
HTC:product-other
Explorer:product-other
,:O
code-named:O
Pico:product-other
,:O
is:O
a:O
smartphone:O
developed:O
by:O
the:O
HTC:organization-company
Corporation:organization-company
that:O
was:O
released:O
in:O
October:O
2011:O
.:O