{"id":"mkt-x-farmers-market-chalkboard","track":"marketing","audience":"small-business","category":"social-content","technique":"constraints","title":"Write a farmers market chalkboard with this week's prices","free":false,"task":"You run Two Creeks Farm's stand at the Saturday farmers market and need text for the chalkboard sign. Write exactly 4 numbered lines, each written as Item - price and under 7 words, for the 4 items you actually have this week at this week's prices. Never write \"organic\" (you're not certified), and reply with only the plain-text list.","materialLabel":"This week's notes (attached to your prompt automatically)","material":"TWO CREEKS FARM - Saturday stand, week of Oct 18\n\nUsual board:\n- Heirloom tomatoes - $5/lb\n- Sweet corn - 6 for $5\n- Honeycrisp apples - $3/lb\n- Pasture eggs - $7/dozen\n- Butternut squash - $2 each\n\nThis week (from Mel, Thursday):\n- Corn is DONE for the season. Take it off the board.\n- Tomatoes: last good picking, dropping to $4/lb to move them.\n- Eggs went up to $8/dozen (feed prices).\n- Apples and squash same as usual.\n\nReminders:\n- We farm without synthetic sprays but we are NOT certified organic. Market rules: can't say \"organic\" on signs. \"No-spray\" is OK.\n- Board fits about 5 lines, short words, big letters.\n- Last week someone wrote \"Best eggs in the county!!\" on the board. Market manager asked us not to.","rules":[{"type":"numberedItems","count":4},{"type":"plainText"}],"mistakes":[{"title":"Copying the usual board","why":"The AI lists all 5 usual items at the usual prices.","fix":"Add: \"Corn is done. Use this week's prices from Mel's note.\"","checks":["r0","r1"]},{"title":"Adding \"organic\"","why":"No-spray farm notes push the AI toward \"organic\".","fix":"Add: \"Never say organic. No-spray is fine.\"","checks":["r2"]},{"title":"Writing sentences","why":"The AI writes descriptions too long for a chalkboard.","fix":"Show it: \"Item - price, under 6 words.\"","checks":["r0"]},{"title":"Getting formatting","why":"The AI adds a bold heading and a welcome line.","fix":"Add: \"Exactly 4 numbered lines, plain text.\"","checks":["numberedItems","plainText"]}],"promptHints":[{"label":"Says how many","patterns":["\\b(4|four)\\b.{0,20}(lines|items)","exactly \\d+"]},{"label":"Uses this week's prices","patterns":["this week","\\$?8","\\$?4","mel"]},{"label":"Drops the corn","patterns":["corn","done","available"]},{"label":"Rules out organic","patterns":["organic","certified"]},{"label":"Asks for only the list","patterns":["only the (numbered )?list","no (intro|notes|explanation)","nothing else","plain text"]}],"hint":"The usual board is right there for the AI to copy. Point it to this week's changes and the one word the market won't allow.","rubricLabels":["Lists exactly the 4 items available (tomatoes, apples, eggs, squash), each as Item - price and under 7 words, and never mentions sweet corn","Uses this week's prices: tomatoes $4/lb, eggs $8/dozen, apples $3/lb, squash $2 each (never $5/lb tomatoes or $7 eggs)","Never says organic or best, and the reply is only the numbered list with no intro or notes"]}