With no explanation, label each line with "building-other", "O", "location-road/railway/highway/transit", "location-other", "location-GPE", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
It
is
on
Unter
den
Linden
,
the
main
boulevard
in
the
central
Mitte
district
,
at
the
corner
with
Paris
er
Platz
,
directly
opposite
the
Brandenburg
Gate
.
It:O
is:O
on:O
Unter:location-road/railway/highway/transit
den:location-road/railway/highway/transit
Linden:location-road/railway/highway/transit
,:O
the:O
main:O
boulevard:O
in:O
the:location-other
central:location-other
Mitte:location-other
district:location-other
,:O
at:O
the:O
corner:O
with:O
Paris:location-GPE
er:O
Platz:location-GPE
,:O
directly:O
opposite:O
the:O
Brandenburg:building-other
Gate:building-other
.:O