Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: String Theory   This is a rendering of a review talk on the state of String Theory, given at
the EPS-2003 Conference, intended for a wide audience of experimental and
theoretical physicists. It emphasizes general ideas rather than technical
aspects.

15
The categories of this paper are: nucl-ex
35
The categories of this paper are: mtrl-th
31
The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
21
The categories of this paper are: adap-org
11
The categories of this paper are: hep-lat
25
The categories of this paper are: patt-sol
37
The categories of this paper are: supr-con
29
The categories of this paper are: funct-an
6
The categories of this paper are: astro-ph
8
The categories of this paper are: hep-ex
16
The categories of this paper are: stat
34
The categories of this paper are: chem-ph
2
The categories of this paper are: math
23
The categories of this paper are: solv-int
10
The categories of this paper are: q-bio