Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Chemical Enrichment History of the Magellanic Clouds Field
  Populations   We report the results of our project devoted to study the chemical enrichment
history of the field population in the Magellanic Clouds using Ca II triplet
spectroscopy.

3
The categories of this paper are: physics
22
The categories of this paper are: chao-dyn
14
The categories of this paper are: math-ph
5
The categories of this paper are: gr-qc
37
The categories of this paper are: supr-con
34
The categories of this paper are: chem-ph
18
The categories of this paper are: econ
27
The categories of this paper are: comp-gas
35
The categories of this paper are: mtrl-th
28
The categories of this paper are: alg-geom
8
The categories of this paper are: hep-ex
15
The categories of this paper are: nucl-ex
31
The categories of this paper are: ao-sci
7
The categories of this paper are: hep-th
0
The categories of this paper are: hep-ph
16
The categories of this paper are: stat