{"id":"ind-par-school-supply-shopping","audience":"parents","category":"planning","technique":"grounding","title":"Turn two supply lists into one shopping list of what you still need","free":false,"task":"You have back-to-school supply lists for two kids and a note of what's already at home. Write exactly 5 numbered lines of what to buy, each in the form \"Item - quantity - which kid\", plain text, under 60 words. Use the teacher's corrected list, subtract what you already have, and skip anything you don't need to buy. Write a prompt that gets you exactly that.","materialLabel":"The supply lists and your notes (attached to your prompt automatically)","material":"SUPPLY LISTS - Brookside Elementary (fictional)\n\nMia - Grade 2 (Ms. Torres):\n- 24 crayons, 2 boxes\n- Glue sticks, 4\n- Pencils, 24\n- 1 pencil box\n- Headphones (for computer lab)\n\nOwen - Grade 5 (Mr. Lund):\n- 3 binders (1 inch)\n- Pencils, 24\n- Colored pencils, 1 pack\n- 2 composition notebooks\n- Highlighters, 2\nCORRECTION email from Mr. Lund (Aug 20): \"No binders this year, we're using folders from school. Please send 2 more composition notebooks instead (4 total).\"\n\nALREADY AT HOME:\n- 1 box of 24 crayons (unopened)\n- 48 pencils\n- Owen's headphones from last year (fit Mia too, but Owen needs his for band; buy Mia her own)\n- 2 highlighters\n- Colored pencils, 1 pack (Owen can use)","rules":[{"type":"numberedItems","count":5},{"type":"maxWords","max":60},{"type":"plainText"}],"mistakes":[{"title":"No fixed shape","why":"The AI lists both kids' full lists under headings, with notes.","fix":"Be exact: \"Exactly 5 numbered lines: Item - quantity - which kid.\"","checks":["numberedItems","plainText","r2"]},{"title":"Trusting the AI to count words","why":"AI is bad at counting. Ask for \"under 60 words\" and it often lands well over.","fix":"Cap each part instead: \"each line under 8 words.\"","checks":["maxWords"]},{"title":"Not subtracting","why":"The AI lists 2 boxes of crayons and pencils you already have.","fix":"Add: \"Subtract what's at home: 1 crayon box, 48 pencils, highlighters, colored pencils.\"","checks":["r0","r1"]},{"title":"Missing the correction","why":"Binders are on the original list; the teacher's email removed them.","fix":"Add: \"No binders; Owen needs 4 composition notebooks.\"","checks":["r1"]}],"promptHints":[{"label":"Uses the correction","patterns":["correct","no binders","4 composition","mr\\.? lund"]},{"label":"Subtracts what you have","patterns":["already (have|at home)","subtract","minus","don'?t (need|buy)"]},{"label":"Shows the line shape","patterns":["item - ","quantity","which kid"]},{"label":"Sets the number of items","patterns":["\\b(5|five)\\b.{0,20}(lines|items)"]},{"label":"Sets a word limit","patterns":["\\d+\\s*words","word (limit|count)"]}],"hint":"A shopping list is only useful if it subtracts what you own and uses the latest list. Tell the AI both, and the exact line shape.","rubricLabels":["The 5 items are: crayons 1 box (Mia), glue sticks 4 (Mia), pencil box 1 (Mia), headphones 1 (Mia), composition notebooks 4 (Owen)","No binders appear, and nothing already at home is on the list (no pencils, highlighters or colored pencils)","Each line follows 'Item - quantity - which kid' with nothing else (no prices, store tips or notes)"]}