Add official football case and align license wording with project page

README.md

@@ -59,6 +59,59 @@ VideoMemBench evaluates **in-context video memory**: the ability to retrieve and
 
 Dependencies are checked for necessity and non-leakage, and answers must be visually grounded. A planner, generator, and judger construct and check dialogues, followed by human expert review. Videos are drawn from Video-MME, VSI-Bench, Video-MMMU, LongVideoBench, EgoLife, and YouTube. See the [paper](https://arxiv.org/html/2610.40131v1) for construction and collection details.
 
+### Case study · Birmingham City vs. Nottingham Forest
+
+<div style="display: flex; flex-wrap: wrap; gap: 18px; align-items: flex-start;">
+<div style="flex: 1 1 320px; min-width: 0;">
+<video controls playsinline preload="metadata" poster="https://videomembench.github.io/assets/case-study/football-poster.webp" style="display: block; width: 100%; border-radius: 8px;" aria-label="Birmingham City vs. Nottingham Forest — selected excerpts">
+<source src="https://videomembench.github.io/assets/case-study/football.mp4" type="video/mp4">
+<a href="https://videomembench.github.io/assets/case-study/football.mp4">Watch the case video</a>
+</video>
+<p style="font-size: 13px; line-height: 1.5; margin: 10px 0;">Selected excerpts · timestamps refer to the original full-match video.</p>
+</div>
+<div style="flex: 1 1 320px; min-width: 0;">
+<p style="font-size: 14px; margin: 0 0 10px;"><strong>Questions &amp; reference answers</strong> · 7 turns</p>
+<div style="max-height: 420px; overflow-y: auto; padding-right: 5px;" tabindex="0" role="region" aria-label="Complete seven-turn football conversation">
+<div style="padding: 13px 15px; margin-bottom: 10px; border: 1px solid #e5e5ed; border-radius: 8px; background-color: white; color: #20202c;">
+<p style="margin: 0 0 7px; font-size: 12px; color: #737382;"><strong style="color: #7160eb;">T1</strong> &nbsp; 00:00–00:01</p>
+<p style="margin: 0 0 8px; font-size: 14px; line-height: 1.5;"><strong style="color: inherit;">At kickoff, what brand is on the ponytailed player&#x27;s jersey?</strong></p>
+<p style="margin: 0 0 5px; font-size: 14px; line-height: 1.5;"><span style="color: #777;">Reference answer:</span> Nike</p>
+<div><span style="color: #777; font-size: 12px;">Independent</span></div>
+</div><div style="padding: 13px 15px; margin-bottom: 10px; border: 1px solid #e5e5ed; border-radius: 8px; background-color: white; color: #20202c;">
+<p style="margin: 0 0 7px; font-size: 12px; color: #737382;"><strong style="color: #7160eb;">T2</strong> &nbsp; 00:41–00:49</p>
+<p style="margin: 0 0 8px; font-size: 14px; line-height: 1.5;"><strong style="color: inherit;">Is the player from T1 left or right of the center circle in the first attack?</strong></p>
+<p style="margin: 0 0 5px; font-size: 14px; line-height: 1.5;"><span style="color: #777;">Reference answer:</span> Left</p>
+<div><span style="display: inline-block; margin: 4px 6px 0 0; padding: 2px 7px; border-radius: 4px; background-color: #e5f5f1; color: #1a7160; font-size: 12px;">Episodic: T1</span></div>
+</div><div style="padding: 13px 15px; margin-bottom: 10px; border: 1px solid #e5e5ed; border-radius: 8px; background-color: white; color: #20202c;">
+<p style="margin: 0 0 7px; font-size: 12px; color: #737382;"><strong style="color: #7160eb;">T3</strong> &nbsp; 00:41–00:51</p>
+<p style="margin: 0 0 8px; font-size: 14px; line-height: 1.5;"><strong style="color: inherit;">How does the player from T1 move relative to the center circle after T2?</strong></p>
+<p style="margin: 0 0 5px; font-size: 14px; line-height: 1.5;"><span style="color: #777;">Reference answer:</span> Moves away from the center circle</p>
+<div><span style="display: inline-block; margin: 4px 6px 0 0; padding: 2px 7px; border-radius: 4px; background-color: #e5f5f1; color: #1a7160; font-size: 12px;">Episodic: T1</span><span style="display: inline-block; margin: 4px 6px 0 0; padding: 2px 7px; border-radius: 4px; background-color: #eeebff; color: #6751ba; font-size: 12px;">Answer: T2</span></div>
+</div><div style="padding: 13px 15px; margin-bottom: 10px; border: 1px solid #e5e5ed; border-radius: 8px; background-color: white; color: #20202c;">
+<p style="margin: 0 0 7px; font-size: 12px; color: #737382;"><strong style="color: #7160eb;">T4</strong> &nbsp; 01:17–01:27</p>
+<p style="margin: 0 0 8px; font-size: 14px; line-height: 1.5;"><strong style="color: inherit;">What does the ponytailed player wearing number 16 do near the penalty arc?</strong></p>
+<p style="margin: 0 0 5px; font-size: 14px; line-height: 1.5;"><span style="color: #777;">Reference answer:</span> Wipes the ball and throws it out.</p>
+<div><span style="color: #777; font-size: 12px;">Independent</span></div>
+</div><div style="padding: 13px 15px; margin-bottom: 10px; border: 1px solid #e5e5ed; border-radius: 8px; background-color: white; color: #20202c;">
+<p style="margin: 0 0 7px; font-size: 12px; color: #737382;"><strong style="color: #7160eb;">T5</strong> &nbsp; 49:20–49:40</p>
+<p style="margin: 0 0 8px; font-size: 14px; line-height: 1.5;"><strong style="color: inherit;">Who scored Birmingham City&#x27;s second goal?</strong></p>
+<p style="margin: 0 0 5px; font-size: 14px; line-height: 1.5;"><span style="color: #777;">Reference answer:</span> LEIDHAMMAR</p>
+<div><span style="color: #777; font-size: 12px;">Independent</span></div>
+</div><div style="padding: 13px 15px; margin-bottom: 10px; border: 1px solid #e5e5ed; border-radius: 8px; background-color: white; color: #20202c;">
+<p style="margin: 0 0 7px; font-size: 12px; color: #737382;"><strong style="color: #7160eb;">T6</strong> &nbsp; 49:00–49:40</p>
+<p style="margin: 0 0 8px; font-size: 14px; line-height: 1.5;"><strong style="color: inherit;">What color is the opposing goalkeeper&#x27;s jersey when the player from T5 scores?</strong></p>
+<p style="margin: 0 0 5px; font-size: 14px; line-height: 1.5;"><span style="color: #777;">Reference answer:</span> Yellow</p>
+<div><span style="display: inline-block; margin: 4px 6px 0 0; padding: 2px 7px; border-radius: 4px; background-color: #eeebff; color: #6751ba; font-size: 12px;">Answer: T5</span></div>
+</div><div style="padding: 13px 15px; margin-bottom: 10px; border: 1px solid #e5e5ed; border-radius: 8px; background-color: white; color: #20202c;">
+<p style="margin: 0 0 7px; font-size: 12px; color: #737382;"><strong style="color: #7160eb;">T7</strong> &nbsp; 100:42–100:49</p>
+<p style="margin: 0 0 8px; font-size: 14px; line-height: 1.5;"><strong style="color: inherit;">Per the match summary graphic, who won?</strong></p>
+<p style="margin: 0 0 5px; font-size: 14px; line-height: 1.5;"><span style="color: #777;">Reference answer:</span> Birmingham City</p>
+<div><span style="color: #777; font-size: 12px;">Independent</span></div>
+</div>
+</div>
+</div>
+</div>
+
 ## Leaderboard
 
 <div style="overflow-x: auto;">
@@ -538,18 +591,9 @@ For download and evaluation instructions, see the [GitHub documentation](https:/
 
 ## License and terms of use
 
-- The annotations (questions, options, answers and dependency labels) are released under
-  [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/).
-- The videos are not covered by this license. They are collected from publicly available video datasets
-  and online video platforms, as described in the accompanying paper. VideoMemBench does not own the
-  videos; copyright remains with the original creators and data providers, and each video remains subject
-  to the license and terms of use of its original source. When using the videos, please also comply with
-  those licenses and terms.
-- VideoMemBench is provided for non-commercial academic research only. Commercial use of any part of it
-  is prohibited.
-- VideoMemBench is intended for evaluation. Please do not use it for model training.
-- If you hold rights to a video, or a video shows you and you want it removed, please open a discussion in
-  the Community tab of this repository and we will remove it promptly.
+- Dataset annotations: [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/).
+- For non-commercial academic research and evaluation only. Not for model training.
+- Source videos are not covered by this license; their original rights and terms apply.
 
 ## Citation