Update app.py

app.py

@@ -242,13 +242,13 @@ EXAMPLES = [
     [
         os.path.join(SAMPLE_DIR, "crush-can",     "input_video.mp4"),
         os.path.join(SAMPLE_DIR, "crush-can",     "quadmask_0.mp4"),
-        "An empty table.",
+        "A soda can on the table.",
         30, 1.0, 42,
     ],
     [
         os.path.join(SAMPLE_DIR, "toast-shmello", "input_video.mp4"),
         os.path.join(SAMPLE_DIR, "toast-shmello", "quadmask_0.mp4"),
-        "A plate on the table.",
+        "A masrshmallow dessert.",
         30, 1.0, 42,
     ],
 ]