Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: New quarks: exotic versus strong   The new quarks of a fourth family are being pushed into the strongly
interacting regime due to the lower limits on their masses. The theoretical
basis and experimental implications of such quarks are compared with exotic
quarks.

31
The categories of this paper are: ao-sci
18
The categories of this paper are: econ
8
The categories of this paper are: hep-ex
15
The categories of this paper are: nucl-ex
29
The categories of this paper are: funct-an
16
The categories of this paper are: stat
1
The categories of this paper are: cs
4
The categories of this paper are: cond-mat
26
The categories of this paper are: bayes-an
5
The categories of this paper are: gr-qc
3
The categories of this paper are: physics
13
The categories of this paper are: quant-ph
21
The categories of this paper are: adap-org
35
The categories of this paper are: mtrl-th
36
The categories of this paper are: cmp-lg
11
The categories of this paper are: hep-lat