Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Enhancement of superconductivity near the pressure-induced
  semiconductor-metal transition in BiS2-based compounds LnO(0.5)F(0.5)BiS2 (Ln
  = La, Ce, Pr, Nd)
22
The categories of this paper are: chao-dyn
19
The categories of this paper are: eess
16
The categories of this paper are: stat
25
The categories of this paper are: patt-sol
28
The categories of this paper are: alg-geom
35
The categories of this paper are: mtrl-th
27
The categories of this paper are: comp-gas
36
The categories of this paper are: cmp-lg
9
The categories of this paper are: nlin
6
The categories of this paper are: astro-ph
17
The categories of this paper are: q-fin
24
The categories of this paper are: dg-ga
20
The categories of this paper are: acc-phys
5
The categories of this paper are: gr-qc
7
The categories of this paper are: hep-th
10
The categories of this paper are: q-bio