BioSense errors on some EKBs

[bgyori]

  (REQUEST :CONTENT
   (CHOOSE-SENSE :EKB-TERM "<ekb timestamp=\"20170822T235532\">
  <TERM id=\"V35529\" dbid=\"UP:P84122\">
    <type>ONT::PROTEIN</type>
    <name>THROMBIN</name>
    <drum-terms>
      <drum-term match-score=\"1.0\" matched-name=\"thrombin\" dbid=\"UP:P84122\" name=\"Thrombin\">
        <types>
          <type>ONT::PROTEIN</type>
        </types>
      </drum-term>
    </drum-terms>
  </TERM>
  <TERM id=\"V35551\" dbid=\"UP:P84122\">
    <type>ONT::PROTEIN</type>
    <name>THROMBIN</name>
    <drum-terms>
      <drum-term matched-name=\"thrombin\" match-score=\"1.0\" dbid=\"UP:P84122\" name=\"Thrombin\">
        <types>
          <type>ONT::PROTEIN</type>
        </types>
      </drum-term>
    </drum-terms>
  </TERM>
  <TERM id=\"V35783\">
    <components>
      <component id=\"V35529\"/>
      <component id=\"V35551\"/>
    </components>
    <type>ONT::PROTEIN</type>
  </TERM>
</ekb>")
   :REPLY-WITH BIO-SENSE-224)

This is not really a correct parse but still, failures like this should be handled.