Add Internal Evaluation License track alongside the research track

LICENSE.md

@@ -1,25 +1,40 @@
-OriginLab Game-Depth Dataset License (Non-Commercial Research)
-Copyright (c) 2026 OriginLab.
+Origin Lab Game-Depth Dataset License
+Copyright (c) 2026 Origin Lab.
 
-Permission is granted to use, copy, and adapt this dataset (the "Dataset") for
-NON-COMMERCIAL RESEARCH purposes only, subject to the conditions below.
+The Dataset is available under two tracks. Your access request states which
+track applies to you.
 
-1. Non-commercial research use only. Any commercial use requires a separate
-   written agreement with OriginLab.
+TRACK A - INTERNAL EVALUATION LICENSE
+
+1. Internal evaluation only, for 90 days from access grant: you may use the
+   Dataset to train and evaluate models solely to assess the Dataset's value.
+2. No publication or release obligation applies to evaluation models, and no
+   right to deploy, release, or use them (or the Dataset) in production or
+   commercially.
+3. At the end of the evaluation period, delete the Dataset and evaluation
+   model weights, or convert to Track B or a commercial agreement.
 
+TRACK B - NON-COMMERCIAL RESEARCH LICENSE
+
+1. Non-commercial research use only. Any commercial use requires a separate
+   written agreement with Origin Lab.
 2. Model-release requirement. If you train, fine-tune, or otherwise derive any
    model using the Dataset (in whole or in part), you must publicly release that
    model's weights together with a model card, under terms no more restrictive
    than this license.
 
+BOTH TRACKS
+
 3. Attribution. You must give appropriate credit and cite the Dataset (see the
    Citation section of the dataset card).
-
 4. Redistribution of the Dataset or derivatives of it must include this license
    and retain these conditions.
-
 5. No warranty. The Dataset is provided "AS IS", without warranty of any kind,
-   express or implied. OriginLab shall not be liable for any claim or damages
+   express or implied. Origin Lab shall not be liable for any claim or damages
    arising from use of the Dataset.
 
-By downloading or using the Dataset, you agree to these terms.
+Commercial conversion from either track: contact Origin Lab at
+https://app.originlab.ai.
+
+By downloading or using the Dataset, you agree to the terms of your requested
+track.