Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Study of $\bar{B}^0_{(s)}$ decaying into $D^0$ and $\pi^{+}\pi^{-}$,
  $K^{+}K^{-}$, or $\pi^{0}\eta$ with final state interactions
17
The categories of this paper are: q-fin
7
The categories of this paper are: hep-th
25
The categories of this paper are: patt-sol
26
The categories of this paper are: bayes-an
32
The categories of this paper are: atom-ph
16
The categories of this paper are: stat
30
The categories of this paper are: q-alg
4
The categories of this paper are: cond-mat
23
The categories of this paper are: solv-int
3
The categories of this paper are: physics
9
The categories of this paper are: nlin
35
The categories of this paper are: mtrl-th
29
The categories of this paper are: funct-an
36
The categories of this paper are: cmp-lg
37
The categories of this paper are: supr-con
12
The categories of this paper are: nucl-th