Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Deciphering the 3-D Orion Nebula-II: A low-ionization region of multiple
  velocity components southwest of Theta1OriC confounds interpretation of low
  velocity resolution studies of temperature, density, and abundance
24
The categories of this paper are: dg-ga
10
The categories of this paper are: q-bio
28
The categories of this paper are: alg-geom
22
The categories of this paper are: chao-dyn
23
The categories of this paper are: solv-int
9
The categories of this paper are: nlin
11
The categories of this paper are: hep-lat
19
The categories of this paper are: eess
16
The categories of this paper are: stat
31
The categories of this paper are: ao-sci
2
The categories of this paper are: math
37
The categories of this paper are: supr-con
1
The categories of this paper are: cs
15
The categories of this paper are: nucl-ex
18
The categories of this paper are: econ
32
The categories of this paper are: atom-ph