{"id":"mkt-x-bookstore-december-events","track":"marketing","audience":"small-business","category":"social-content","technique":"grounding","title":"List this month's store events, minus the cancelled one","free":false,"task":"You run events at Lantern Lane Books and need the events block for the December newsletter. Write exactly 4 numbered lines in the shape Day, Date - Event - Time, one per December event that's still on, in date order. Leave out the cancelled event and anything outside December, and reply with only the plain-text list.","materialLabel":"Events calendar (attached to your prompt automatically)","material":"LANTERN LANE BOOKS - events calendar export (Nov 25)\n\nThu, Nov 27 - CLOSED for Thanksgiving\nSat, Dec 6 - Kids' Story Time: Winter Tales - 10:30am\nTue, Dec 9 - Author talk: Priya Sandoval, \"The Lighthouse Ledger\" - 7pm\nFri, Dec 12 - Poetry open mic - 7pm\nSat, Dec 13 - Gift wrapping for charity (Riverside Animal Rescue) - 11am-3pm\nThu, Dec 18 - Mystery book club: \"The Ninth Lantern\" - 6:30pm\nSat, Jan 10 - Kids' Story Time: Snow Day - 10:30am\n\nNotes from Bea (owner), Nov 26:\n- Poetry open mic Dec 12 is CANCELLED, our host is moving. Will restart in Feb.\n- Author talk moved from Dec 9 to Wed, Dec 10, same time (Priya's flight changed).\n- Newsletter goes out Dec 1; only December events.\n\nNewsletter style: plain lines, people screenshot it.","rules":[{"type":"numberedItems","count":4},{"type":"plainText"}],"mistakes":[{"title":"Copying the calendar","why":"The AI lists every row, including the cancelled open mic and January.","fix":"Add: \"Only December events that are still on.\"","checks":["r1","r2"]},{"title":"Missing the date change","why":"The calendar says Dec 9, and the move is in Bea's notes.","fix":"Add: \"Author talk moved to Wed, Dec 10.\"","checks":["r1"]},{"title":"No line shape","why":"The AI writes a paragraph per event with bold titles.","fix":"Show it: \"Sat, Dec 6 - Event - 10:30am.\"","checks":["r0","plainText"]},{"title":"Adding extras","why":"The AI adds an intro and a closing note.","fix":"Add: \"Exactly 4 numbered lines, nothing else.\"","checks":["numberedItems"]}],"promptHints":[{"label":"Sets the line shape","patterns":["day,? date","event\\s*-","time"]},{"label":"Filters to December","patterns":["december only","only december","dec(ember)?"]},{"label":"Drops the cancelled event","patterns":["cancel","open mic","poetry"]},{"label":"Uses the date change","patterns":["dec(ember)? 10","moved","wed"]},{"label":"Asks for only the list","patterns":["only the (numbered )?list","no (intro|notes|explanation)","nothing else","plain text"]}],"hint":"A calendar export isn't the final schedule. Tell the AI what's cancelled, what moved, which month, and the line shape.","rubricLabels":["Has 4 lines in date order for story time (Dec 6), the author talk (Dec 10), gift wrapping (Dec 13) and book club (Dec 18), each in the shape Day, Date - Event - Time","The author talk is on Wed, Dec 10 at 7pm (never Dec 9), and the poetry open mic is not listed","Nothing outside December appears (no Nov 27 closing, no Jan 10 story time), and the reply is only the numbered list"]}