Fix captioning inference bugs

docs/more_samples.html

@@ -303,7 +303,7 @@ <h2 class="pt-4"><p class="text-center" id="Food">Food</p></h2>
 	<p style="font-family: Chalkduster; font-size: 16px; color: white">"A person mixing chocolate in a bowl with an electric mixer."</p>
 </th>
 <th style="text-align: center; vertical-align: top; padding: 10px;">
-	<img src="./assets/samples/_ONhUIKHX_4.4.gif" style="width: 100%"></img>
+	<video playsinline autoplay loop muted src="./assets/samples/ONhUIKHX_4.4.mp4" style="width: 100%" type="video/mp4"></video>
 	<p style="font-family: Chalkduster; font-size: 16px; color: white">"There are sausages cooking on a grill, and a person is using tongs to turn them over."</p>
 </th>
 </tr>
@@ -564,7 +564,7 @@ <h2 class="pt-4"><p class="text-center" id="Tutorial_and_Narrative">Tutorial and
 	<p style="font-family: Chalkduster; font-size: 16px; color: white">"There are several glasses filled with different types of drinks on a counter."</p>
 </th>
 <th style="text-align: center; vertical-align: top; padding: 10px;">
-	<img src="./assets/samples/_uQs-YDb5VA.9.gif" style="width: 100%"></img>
+	<video playsinline autoplay loop muted src="./assets/samples/uQs-YDb5VA.9.mp4" style="width: 100%" type="video/mp4"></video>
 	<p style="font-family: Chalkduster; font-size: 16px; color: white">"A person in blue gloves is connecting an electrical supply to an injector."</p>
 </th>
 </tr>