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  <folder>VOC2007</folder>
  <filename>000220.jpg</filename>
  <size>
    <width>1024</width>
    <height>683</height>
    <depth>3</depth>
  </size>
  <object>
    <name>balloon</name>
    <difficult>0</difficult>
    <bndbox>
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      <ymin>251</ymin>
      <xmax>129</xmax>
      <ymax>406</ymax>
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  <object>
    <name>balloon</name>
    <difficult>0</difficult>
    <bndbox>
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      <ymin>206</ymin>
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</annotation>