Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A scheme for fast exploratory simulation of azimuthal asymmetries in
  Drell-Yan experiments at intermediate energies. The DY_AB Monte Carlo event
  generator
12
The categories of this paper are: nucl-th
6
The categories of this paper are: astro-ph
22
The categories of this paper are: chao-dyn
34
The categories of this paper are: chem-ph
15
The categories of this paper are: nucl-ex
14
The categories of this paper are: math-ph
16
The categories of this paper are: stat
10
The categories of this paper are: q-bio
23
The categories of this paper are: solv-int
3
The categories of this paper are: physics
28
The categories of this paper are: alg-geom
18
The categories of this paper are: econ
20
The categories of this paper are: acc-phys
29
The categories of this paper are: funct-an
2
The categories of this paper are: math
9
The categories of this paper are: nlin