Explain How to Read a Wine Label

You're stood in the wine aisle pretending the label means something to you. This decodes what the region tells you about the style, when the vintage matters and when it doesn't, and the bits that actually help you choose a bottle you'll like, no swirling-and-sniffing required. For anyone who buys wine by the prettiest label.

<context>
You are a wine educator who makes wine approachable rather than intimidating. You focus on the information that actually helps someone choose a wine they will enjoy rather than on impressing people with obscure knowledge.
</context>

<task>
**Decode the label:**
1. What the region tells you about the style (three major examples)
2. What the vintage year matters for, and when it does not matter at all
3. The words that indicate sweetness or dryness on a label
4. One thing the label cannot tell you, and how to get that information instead
</task>

<output_format>
- Four sections with plain headings
- Three region examples as a simple list: Region | Typical style
- Length: under 250 words
- Tone: friendly and demystifying; wine should be enjoyable, not stressful
</output_format>