Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Suspicion on Engrafting HBT From Astronomy to Heavy Ion Collision   HBT method in astronomy and heavy ion collision is contrasted in present
article.Some differences are found and validity of using HBT in heavy ion
collision is suspected.

5
The categories of this paper are: gr-qc
0
The categories of this paper are: hep-ph
29
The categories of this paper are: funct-an
23
The categories of this paper are: solv-int
15
The categories of this paper are: nucl-ex
35
The categories of this paper are: mtrl-th
36
The categories of this paper are: cmp-lg
8
The categories of this paper are: hep-ex
26
The categories of this paper are: bayes-an
7
The categories of this paper are: hep-th
34
The categories of this paper are: chem-ph
24
The categories of this paper are: dg-ga
11
The categories of this paper are: hep-lat
2
The categories of this paper are: math
33
The categories of this paper are: plasm-ph
25
The categories of this paper are: patt-sol