Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Detection of a population of carbon-enhanced metal-poor stars in the
  Sculptor dwarf spheroidal galaxy
34
The categories of this paper are: chem-ph
25
The categories of this paper are: patt-sol
35
The categories of this paper are: mtrl-th
13
The categories of this paper are: quant-ph
28
The categories of this paper are: alg-geom
24
The categories of this paper are: dg-ga
31
The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
33
The categories of this paper are: plasm-ph
10
The categories of this paper are: q-bio
29
The categories of this paper are: funct-an
27
The categories of this paper are: comp-gas
3
The categories of this paper are: physics
2
The categories of this paper are: math
18
The categories of this paper are: econ
37
The categories of this paper are: supr-con