Evaluate the valence intensity of the following snippet, considering the mood of the author. Give a score between 0 and 1 inclusive, where 0 is the most negative and 1 is the most positive.
Snippet: Here's a mnemonic device, two seven-word sentences whose first letters list the positions, in protocol order: See State Leave Labor The Treasury Her Health &amp;amp; Human Services Dog Defense Home Housing &amp;amp; Urban Developmt.