<?xml version="1.0" encoding="US-ASCII"?>

<!--

    A     B
     \   /
      \ / 
       C 
       |
       |
       D

-->


<BIF VERSION="0.3">
<NETWORK>
<NAME>Simple Loop</NAME>

<VARIABLE TYPE="nature">
	<NAME>A</NAME>
	<OUTCOME>a1</OUTCOME>
	<OUTCOME>a2</OUTCOME>
</VARIABLE>

<VARIABLE TYPE="nature">
	<NAME>B</NAME>
	<OUTCOME>b1</OUTCOME>
	<OUTCOME>b2</OUTCOME>
</VARIABLE>

<VARIABLE TYPE="nature">
	<NAME>C</NAME>
	<OUTCOME>c1</OUTCOME>
	<OUTCOME>c2</OUTCOME>
</VARIABLE>

<VARIABLE TYPE="nature">
	<NAME>D</NAME>
	<OUTCOME>d1</OUTCOME>
	<OUTCOME>d2</OUTCOME>
</VARIABLE>

<DEFINITION>
	<FOR>A</FOR>
	<TABLE> .001 .009 </TABLE>
</DEFINITION>

<DEFINITION>
	<FOR>B</FOR>
	<TABLE> .002 .008 </TABLE>
</DEFINITION>

<DEFINITION>
	<FOR>C</FOR>
	<GIVEN>A</GIVEN>
	<GIVEN>B</GIVEN>
	<TABLE> .95 .05 .94 .06 .29 .71 .001 .999 </TABLE>
</DEFINITION>

<DEFINITION>
	<FOR>D</FOR>
	<GIVEN>C</GIVEN>
	<TABLE> .9 .1 .05 .95  </TABLE>
</DEFINITION>

</NETWORK>
</BIF>

