{"id":"sheet-mkt-chart-pick-channel-race","audience":"marketing","category":"spreadsheets","track":"data","technique":"context","title":"Get a chart recommendation for a two-channel trend","free":false,"task":"Your VP wants to see at a glance whether Paid Social is catching up to Email over the last 12 months. Ask for exactly 4 numbered lines labeled Chart:, X axis:, Series: and Why:, where Series: shows only Email and Paid Social, and Why: quotes both channels' first and last month numbers. Plain text, under 80 words.","materialLabel":"Your leads table (attached to your prompt automatically)","material":"Monthly leads by channel, Nov 2025 - Oct 2026\n\nMonth | Email | Paid Social | Organic Search | Events | Total\nNov 2025 | 520 | 120 | 300 | 40 | 980\nDec 2025 | 510 | 140 | 310 | 0 | 960\nJan 2026 | 505 | 165 | 300 | 0 | 970\nFeb 2026 | 500 | 190 | 320 | 90 | 1100\nMar 2026 | 495 | 220 | 315 | 20 | 1050\nApr 2026 | 500 | 250 | 330 | 0 | 1080\nMay 2026 | 490 | 275 | 325 | 60 | 1150\nJun 2026 | 485 | 300 | 340 | 0 | 1125\nJul 2026 | 490 | 330 | 335 | 0 | 1155\nAug 2026 | 480 | 360 | 345 | 110 | 1295\nSep 2026 | 485 | 385 | 350 | 30 | 1250\nOct 2026 | 480 | 410 | 355 | 10 | 1255\n\nNotes:\n- Events spikes are trade shows\n- Last quarter's deck used a pie chart of the Total column and nobody could read it\n- Slides are 16:9, one chart per slide","rules":[{"type":"numberedItems","count":4},{"type":"maxWords","max":80},{"type":"plainText"}],"mistakes":[{"title":"Not saying the question","why":"The AI recommends a chart that shows everything, so the one comparison the VP cares about gets lost.","fix":"Add: \"The VP wants to see if Paid Social is catching up to Email.\"","checks":["r0"]},{"title":"Charting every column","why":"The AI includes Total and all four channels, which flattens the two lines you care about.","fix":"Add: \"Series: only Email and Paid Social.\"","checks":["r1"]},{"title":"A why with no numbers","why":"The AI says a line chart \"shows trends well\" without using your data.","fix":"Add: \"Why: quote both channels' first and last month.\"","checks":["r2"]},{"title":"Long or formatted output","why":"The AI writes a design guide with bold headings and color advice.","fix":"Say: \"Exactly 4 numbered lines, plain text, each under 18 words.\"","checks":["numberedItems","maxWords","plainText"]}],"promptHints":[{"label":"States the question","patterns":["catch(ing)? up","paid social","vs\\.? email"]},{"label":"Limits the series","patterns":["only (email|two|2)","no total","just email"]},{"label":"Asks for numbers in the why","patterns":["first and last","numbers","quote"]},{"label":"Names the 4 labels","patterns":["chart:","x axis","series:","why:"]},{"label":"Asks for plain text","patterns":["plain","no bold","no markdown"]}],"hint":"The right chart depends on the one question it must answer. Tell the AI the question and which series matter.","rubricLabels":["Chart: recommends a line chart (not a pie, stacked or area chart)","X axis: is months from Nov 2025 to Oct 2026 in order, and Series: lists only Email and Paid Social (no Total, Organic Search or Events series)","Why: quotes Email going from 520 to 480 and Paid Social from 120 to 410 (the gap shrinking from 400 to 70)"]}