Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Rare B, D and K decays, radiative and electroweak penguin decays,
  including constraints on $V_{td}/V_{ts}$ and $\epsilon'/\epsilon$: Summary of
  CKM 2018 working group 3
21
The categories of this paper are: adap-org
6
The categories of this paper are: astro-ph
11
The categories of this paper are: hep-lat
22
The categories of this paper are: chao-dyn
17
The categories of this paper are: q-fin
30
The categories of this paper are: q-alg
14
The categories of this paper are: math-ph
1
The categories of this paper are: cs
25
The categories of this paper are: patt-sol
4
The categories of this paper are: cond-mat
36
The categories of this paper are: cmp-lg
32
The categories of this paper are: atom-ph
18
The categories of this paper are: econ
23
The categories of this paper are: solv-int
16
The categories of this paper are: stat
31
The categories of this paper are: ao-sci