Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Comments on "No magnetars in ULXs"   The magnetic dipole field of ultraluminous X-ray pulsars may not be very
high. However, it is too early to say that they are not magnetars. The
existence of low magnetic field magnetars should be taken into consideration.

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The categories of this paper are: ao-sci
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The categories of this paper are: atom-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: q-alg
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The categories of this paper are: alg-geom
16
The categories of this paper are: stat
9
The categories of this paper are: nlin
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The categories of this paper are: nucl-ex
8
The categories of this paper are: hep-ex
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The categories of this paper are: chao-dyn
2
The categories of this paper are: math
10
The categories of this paper are: q-bio
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The categories of this paper are: patt-sol
7
The categories of this paper are: hep-th
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The categories of this paper are: comp-gas
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The categories of this paper are: bayes-an