With no explanation, label each line with "O", "building-theater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Concerts
in
Tonhalle
Düsseldorf
,
Musikhalle
Hamburg
,
Munich
Prinzregententheater
and
Frankfurt
Alte
Oper
were
well
received
.
Concerts:O
in:O
Tonhalle:building-theater
Düsseldorf:building-theater
,:O
Musikhalle:building-theater
Hamburg:building-theater
,:O
Munich:building-theater
Prinzregententheater:building-theater
and:O
Frankfurt:building-theater
Alte:building-theater
Oper:building-theater
were:O
well:O
received:O
.:O