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 ":".
In
2020
,
it
was
officially
announced
that
more
sets
would
be
released
on
7
July
2020
.
In:O
2020:O
,:O
it:O
was:O
officially:O
announced:O
that:O
more:O
sets:O
would:O
be:O
released:O
on:O
7:O
July:O
2020:O
.:O