The conversation between human and AI assistant.
[|Human|] Construct an HTML page with a single heading
[|AI|] ```html
<!DOCTYPE html>
<html>
   <head>
      <title>My Heading Page</title>
   </head>
   <body>
      <h1>My First Heading</h1>
   </body>
</html>
```
[|Human|] 
Construct an HTML page with a single heading