Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: BooNE Has Begun   E898, the MiniBooNE experiment at Fermi National Accelerator Laboratory, has
begun data collection. The experiment will test the neutrino oscillation signal
reported by the Liquid Scintillator Neutrino Detector at Los Alamos National
Laboratory. Data collection began in late August 2002.

7
The categories of this paper are: hep-th
2
The categories of this paper are: math
29
The categories of this paper are: funct-an
11
The categories of this paper are: hep-lat
1
The categories of this paper are: cs
13
The categories of this paper are: quant-ph
30
The categories of this paper are: q-alg
16
The categories of this paper are: stat
33
The categories of this paper are: plasm-ph
17
The categories of this paper are: q-fin
23
The categories of this paper are: solv-int
10
The categories of this paper are: q-bio
15
The categories of this paper are: nucl-ex
34
The categories of this paper are: chem-ph
20
The categories of this paper are: acc-phys
18
The categories of this paper are: econ