Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: $^{27}\text{Al }$ NMR chemical shift of $\text{Al}(\text{OH})_{4}^{-}$
  from first principles. Assessment of error cancellation in NMR chemical shift
  computations in chemically distinct reference and targeted systems
9
The categories of this paper are: nlin
1
The categories of this paper are: cs
28
The categories of this paper are: alg-geom
37
The categories of this paper are: supr-con
23
The categories of this paper are: solv-int
24
The categories of this paper are: dg-ga
14
The categories of this paper are: math-ph
27
The categories of this paper are: comp-gas
34
The categories of this paper are: chem-ph
21
The categories of this paper are: adap-org
17
The categories of this paper are: q-fin
25
The categories of this paper are: patt-sol
26
The categories of this paper are: bayes-an
2
The categories of this paper are: math
0
The categories of this paper are: hep-ph
12
The categories of this paper are: nucl-th