Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Status of the Forward Tracker Detector of ILD   An overview of the present activities and long-term R&D plans of the Spanish
network for future linear accelerators aiming to design and construct the
Forward Tracker Detector (FTD) system of ILD, is shown

12
The categories of this paper are: nucl-th
4
The categories of this paper are: cond-mat
2
The categories of this paper are: math
0
The categories of this paper are: hep-ph
7
The categories of this paper are: hep-th
32
The categories of this paper are: atom-ph
13
The categories of this paper are: quant-ph
26
The categories of this paper are: bayes-an
14
The categories of this paper are: math-ph
33
The categories of this paper are: plasm-ph
20
The categories of this paper are: acc-phys
25
The categories of this paper are: patt-sol
34
The categories of this paper are: chem-ph
19
The categories of this paper are: eess
23
The categories of this paper are: solv-int
31
The categories of this paper are: ao-sci