Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On "Exponential Lower Bounds for Polytopes in Combinatorial
  Optimization" by Fiorini et al. (2015): A Refutation For Models With Disjoint
  Sets of Descriptive Variables
5
The categories of this paper are: gr-qc
14
The categories of this paper are: math-ph
0
The categories of this paper are: hep-ph
23
The categories of this paper are: solv-int
15
The categories of this paper are: nucl-ex
7
The categories of this paper are: hep-th
8
The categories of this paper are: hep-ex
19
The categories of this paper are: eess
37
The categories of this paper are: supr-con
3
The categories of this paper are: physics
20
The categories of this paper are: acc-phys
10
The categories of this paper are: q-bio
26
The categories of this paper are: bayes-an
25
The categories of this paper are: patt-sol
33
The categories of this paper are: plasm-ph
18
The categories of this paper are: econ