Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Comparison of Deep Inelastic Scattering Monte Carlo Event Generators
  to HERA Data   The Monte Carlo models ARIADNE, HERWIG and LEPTO are compared to
deep-inelastic scattering data measured at the ep-collider HERA.

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The categories of this paper are: math-ph
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The categories of this paper are: q-fin
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The categories of this paper are: quant-ph
4
The categories of this paper are: cond-mat
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The categories of this paper are: nlin
5
The categories of this paper are: gr-qc
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The categories of this paper are: stat
3
The categories of this paper are: physics
35
The categories of this paper are: mtrl-th
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The categories of this paper are: alg-geom
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The categories of this paper are: eess
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The categories of this paper are: patt-sol
2
The categories of this paper are: math
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The categories of this paper are: adap-org
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The categories of this paper are: hep-lat
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The categories of this paper are: plasm-ph