What do the LRS2 and LRS3 pages and licence file say about permitted use of the data, and do they address model training?

LRS2 is offered for non-commercial academic research only after signing a BBC R&D Data Sharing agreement (agreement not read); LRS3 is described as available for research purposes under CC BY 4.0 while its licence file says the underlying TED video excerpts must respect TED terms and CC BY-NC-ND 4.0, copyright stays with the video owners, and downloads are no longer offered on the site. None of these texts mention model training. Curator qualifications: How 'CC BY 4.0 for research purposes' combines with BY-NC-ND 4.0 source content is unresolved; treat LRS3 content as non-commercial, no-derivatives at the content layer. BBC agreement text not read. Page/licence text only; no data downloaded (LRS3 downloads withdrawn; LRS2 behind agreement). Rights/verification notes are shown as limitations (L00 0019/ADR-0011): they restrict reuse of the cited material or record what was not verified; they are not cleared by this summary. Limitations: Live academic pages. [component_reuse_restriction] Do not train, redistribute or modify LRS2/LRS3 media in Veyrul fixtures without rights review. Evidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.

{
  "citations": [
    {
      "url": "https://www.robots.ox.ac.uk/~vgg/data/lip_reading/lrs2.html",
      "note": "robots.ox.ac.uk/~vgg/data/lip_reading/lrs2.html; mmai.io/datasets/lip_reading/; mmai.io/datasets/lip_reading/files/license.txt (1356 bytes)"
    },
    {
      "url": "https://mmai.io/datasets/lip_reading/",
      "note": "robots.ox.ac.uk/~vgg/data/lip_reading/lrs2.html; mmai.io/datasets/lip_reading/; mmai.io/datasets/lip_reading/files/license.txt (1356 bytes)"
    },
    {
      "url": "https://mmai.io/datasets/lip_reading/files/license.txt",
      "note": "robots.ox.ac.uk/~vgg/data/lip_reading/lrs2.html; mmai.io/datasets/lip_reading/; mmai.io/datasets/lip_reading/files/license.txt (1356 bytes)"
    }
  ]
}