With no explanation, label each line with "location-GPE", "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
There
are
at
least
seven
Twelver
Shia
mosques
in
Muscat
.
There:O
are:O
at:O
least:O
seven:O
Twelver:building-other
Shia:building-other
mosques:building-other
in:O
Muscat:location-GPE
.:O