How do we use HTML elements in combination with each other?
1. <p>Here's some text that <em>should be emphasized.</p></em>
2. <p>Here's some text that </em>should be emphasized.</p></em>
3. <p>Here's some text that <em>should</em> be emphasized.</p>
4. <p>Here's some text that</p> <em>should</em> <p>be emphasized.</p>