<s>
The	O
Arnold	B-Algorithm
Cipher	I-Algorithm
was	O
a	O
book	B-Algorithm
cipher	I-Algorithm
used	O
by	O
John	O
André	O
and	O
Benedict	O
Arnold	O
during	O
the	O
negotiations	O
that	O
led	O
to	O
Arnold	O
's	O
failed	O
attempt	O
to	O
surrender	O
West	O
Point	O
to	O
the	O
British	O
in	O
1780	O
.	O
</s>
