<s>
Unreal	B-General_Concept
City	I-General_Concept
was	O
an	O
art	O
show	O
in	O
London	O
devoted	O
to	O
the	O
public	O
display	O
of	O
Augmented	B-General_Concept
reality	I-General_Concept
art	O
which	O
ran	O
from	O
8	O
December	O
to	O
5	O
January	O
.	O
</s>
