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
this
way
the
group
becomes
a
sextet
.
In:O
this:O
way:O
the:O
group:O
becomes:O
a:O
sextet:O
.:O