Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Comment on "Evidence for dark matter in the inner Milky Way"   This is a brief rebuttal to arXiv:1502.03821, which claims to provide the
first observational proof of dark matter interior to the solar circle. We point
out that this result is not new, and can be traced back at least a quarter
century.

10
The categories of this paper are: q-bio
22
The categories of this paper are: chao-dyn
2
The categories of this paper are: math
33
The categories of this paper are: plasm-ph
14
The categories of this paper are: math-ph
17
The categories of this paper are: q-fin
27
The categories of this paper are: comp-gas
20
The categories of this paper are: acc-phys
31
The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
5
The categories of this paper are: gr-qc
32
The categories of this paper are: atom-ph
11
The categories of this paper are: hep-lat
24
The categories of this paper are: dg-ga
29
The categories of this paper are: funct-an
37
The categories of this paper are: supr-con