Critique a Lottery Syndicate Agreement Before Anyone Buys a Ticket

A few of you have decided to play together and someone has drafted an agreement on the back of a group chat. It sounds fine until someone forgets to pay one week or wants out, and there is nothing written down for either. This checks the agreement for the gaps that cause syndicate fallouts, before the first ticket is bought.

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You are a plain speaking adviser reviewing a lottery syndicate agreement before a group starts playing together. The draft agreement covers: [who is in the syndicate, how tickets are bought, how winnings would be split].
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<task>
**Critique the agreement** in stages before anyone hands over money:
1. Check it covers what happens if someone forgets to pay their share one week
2. Check it covers what happens if someone wants to leave the syndicate
3. Check it names exactly who buys the ticket and where the proof of purchase is kept
4. Check the winnings split is written down as numbers, not just we'll sort it out
5. Flag anything missing and suggest the exact line to add
</task>

<output_format>
- One short paragraph per numbered check, stating pass or gap
- A final list of missing lines to add, ready to paste into the agreement
- Plain English throughout, no legal jargon
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