With no explanation, label each line with "organization-media/newspaper", "art-writtenart", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "building-airport" preceded by ":".
According
to
reports
by
both
Bloomberg
News
and
``
Fortune
``
magazine
,
Gemini
was
the
first
exchange
to
launch
bitcoin
futures
contracts
in
December
2017
.
According:O
to:O
reports:O
by:O
both:O
Bloomberg:organization-media/newspaper
News:organization-media/newspaper
and:O
``:O
Fortune:art-writtenart
``:O
magazine:O
,:O
Gemini:organization-other
was:O
the:O
first:O
exchange:O
to:O
launch:O
bitcoin:O
futures:O
contracts:O
in:O
December:O
2017:O
.:O