Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The clustering of galaxies in the SDSS-III Baryon Oscillation
  Spectroscopic Survey: measurements of the growth of structure and expansion
  rate at z=0.57 from anisotropic clustering
20
The categories of this paper are: acc-phys
0
The categories of this paper are: hep-ph
22
The categories of this paper are: chao-dyn
16
The categories of this paper are: stat
21
The categories of this paper are: adap-org
3
The categories of this paper are: physics
33
The categories of this paper are: plasm-ph
37
The categories of this paper are: supr-con
23
The categories of this paper are: solv-int
19
The categories of this paper are: eess
18
The categories of this paper are: econ
28
The categories of this paper are: alg-geom
29
The categories of this paper are: funct-an
17
The categories of this paper are: q-fin
35
The categories of this paper are: mtrl-th
4
The categories of this paper are: cond-mat