Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Pierre Auger Observatory: Contributions to the 35th International
  Cosmic Ray Conference (ICRC 2017)   Contributions of the Pierre Auger Collaboration to the 35th International
Cosmic Ray Conference (ICRC 2017), 12-20 July 2017, Bexco, Busan, Korea.

24
The categories of this paper are: dg-ga
1
The categories of this paper are: cs
33
The categories of this paper are: plasm-ph
17
The categories of this paper are: q-fin
29
The categories of this paper are: funct-an
25
The categories of this paper are: patt-sol
3
The categories of this paper are: physics
28
The categories of this paper are: alg-geom
15
The categories of this paper are: nucl-ex
0
The categories of this paper are: hep-ph
27
The categories of this paper are: comp-gas
9
The categories of this paper are: nlin
14
The categories of this paper are: math-ph
35
The categories of this paper are: mtrl-th
21
The categories of this paper are: adap-org
2
The categories of this paper are: math