<s>
1893	B-Application
:	I-Application
A	I-Application
World	I-Application
's	I-Application
Fair	I-Application
Mystery	I-Application
is	O
an	O
educational	O
work	O
of	O
interactive	O
fiction	O
by	O
American	O
author	O
Peter	O
Nepstad	O
,	O
written	O
in	O
the	O
TADS	B-Application
programming	I-Application
language	I-Application
.	O
</s>
