With no explanation, label each line with "O", "other-astronomything", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
spectral
transition
of
Cygnus
X-1
can
be
explained
using
a
two
component
advective
flow
solution
,
as
proposed
by
Chakrabarti
and
Titarchuk
.
The:O
spectral:O
transition:O
of:O
Cygnus:other-astronomything
X-1:other-astronomything
can:O
be:O
explained:O
using:O
a:O
two:O
component:O
advective:O
flow:O
solution:O
,:O
as:O
proposed:O
by:O
Chakrabarti:person-scholar
and:O
Titarchuk:person-scholar
.:O