With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Its
stiffness
can
be
managed
by
changing
the
concentration
according
to
needs
of
surrounding
or
encapsulated
cells
.
Its:O
stiffness:O
can:O
be:O
managed:O
by:O
changing:O
the:O
concentration:O
according:O
to:O
needs:O
of:O
surrounding:O
or:O
encapsulated:O
cells:O
.:O