Fix demo videos and questions.

app.py

@@ -275,16 +275,16 @@ with gr.Blocks(title='VideoLLaMA 2 🔥🚀🔥', theme=theme, css=block_css) as
             gr.Examples(
                 examples=[
                     [
-                        f"{cur_dir}/../../assets/cat_and_chicken.mp4",
+                        f"{cur_dir}/examples/rap.mp4",
                         "What happens in this video?",
                     ],
                     [
-                        f"{cur_dir}/../../assets/sora.mp4",
-                        "Please describe this video.",
+                        f"{cur_dir}/examples/demo2.mp4",
+                        "Do you think it's morning or night in this video? Why?",
                     ],
                     [
-                        f"{cur_dir}/examples/sample_demo_1.mp4",
-                        "What does the baby do?",
+                        f"{cur_dir}/examples/demo3.mp4",
+                        "At the intersection, in which direction does the red car turn?",
                     ],
                 ],
                 inputs=[video, textbox],