With no explanation, label each line with "product-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
allowed
the
development
of
the
first
TCP/IP
routing
protocols
,
and
the
Network
Time
Protocol
.
It:O
allowed:O
the:O
development:O
of:O
the:O
first:O
TCP/IP:product-other
routing:O
protocols:O
,:O
and:O
the:O
Network:product-other
Time:product-other
Protocol:product-other
.:O