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<Paper uid="N03-1004">
  <Title>In Question Answering, Two Heads Are Better Than One</Title>
  <Section position="9" start_page="0" end_page="0" type="ackno">
    <SectionTitle>
Acknowledgments
</SectionTitle>
    <Paragraph position="0"> We would like to thank Dave Ferrucci, Chris Welty, and Salim Roukos for helpful discussions, Diane Litman and the anonymous reviewers for their comments on an earlier draft of this paper. This work was supported in part by the Advanced Research and Development Activity (ARDA)'s Advanced Question Answering for Intelligence (AQUAINT) Program under contract number MDA904-01-C-0988.</Paragraph>
  </Section>
class="xml-element"></Paper>