Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Observation of the Fulde-Ferrell-Larkin-Ovchinnikov state in the
  quasi-two-dimensional organic superconductor
  $\kappa$-(BEDT-TTF)$_2$Cu(NCS)$_2$
17
The categories of this paper are: q-fin
22
The categories of this paper are: chao-dyn
14
The categories of this paper are: math-ph
35
The categories of this paper are: mtrl-th
18
The categories of this paper are: econ
20
The categories of this paper are: acc-phys
23
The categories of this paper are: solv-int
13
The categories of this paper are: quant-ph
21
The categories of this paper are: adap-org
24
The categories of this paper are: dg-ga
2
The categories of this paper are: math
19
The categories of this paper are: eess
5
The categories of this paper are: gr-qc
36
The categories of this paper are: cmp-lg
33
The categories of this paper are: plasm-ph
8
The categories of this paper are: hep-ex