Yes, you can use BeautifulSoup to analyze a webpage and output a tree of HTML content. BeautifulSoup provides a prettify() method that can be used to display the HTML content in a nicely formatted tree structure. Here’s an example:

```python
from bs4 import BeautifulSoup
import requests

url = "https://www.example.com"
response = requests.get(url)
soup = BeautifulSoup(response.text, "html.parser")

print(soup.prettify())
```

This code uses the requests library to fetch the HTML content of a webpage and then creates a BeautifulSoup object to parse the HTML. The prettify() method is then used to display the HTML content in a tree structure. You can then inspect the tree to see the hierarchy of the HTML elements and choose which ones you need to parse.
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