<?xml version='1.0' encoding='utf-8'?>
<graphml xmlns="http://graphml.graphdrawing.org/xmlns" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://graphml.graphdrawing.org/xmlns http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd"><key attr.name="weight" attr.type="double" for="edge" id="d0"/>
<graph edgedefault="undirected"><node id="OTU_1"/>
<node id="OTU_2"/>
<node id="OTU_3"/>
<node id="OTU_4"/>
<node id="OTU_5"/>
<edge source="OTU_1" target="OTU_2">
  <data key="d0">1.0</data>
</edge>
<edge source="OTU_1" target="OTU_5">
  <data key="d0">-1.0</data>
</edge>
<edge source="OTU_2" target="OTU_5">
  <data key="d0">1.0</data>
</edge>
</graph></graphml>