{"id":"life-col-holiday-travel-compare","audience":"college","category":"everyday-life","track":"life","technique":"examples","title":"Compare a flight and a bus home with all the fees","free":false,"task":"You're going home for winter break and want the cheapest round trip with one checked bag. Get exactly 3 numbered lines in plain text, under 70 words: 1. the flight's round-trip cost with fees, with the math; 2. the bus's round-trip cost, with the math, using the updated fare; 3. which costs less and by how much. No advice. Write a prompt that gets you exactly that.","materialLabel":"The fares and your notes (attached to your prompt automatically)","material":"FLIGHT - Skylark Air (fictional)\nFare: $89 each way\nChecked bag: $35 each way\nRide to and from the airport: $20 each way (rideshare)\n\nBUS - Greyline Express (fictional)\nFare: $45 each way\nFirst checked bag: free\nBus station is a 10-minute walk from my dorm, and my mom picks me up at the other end.\n\nGREYLINE EMAIL (Nov 4): \"Holiday travel dates now have a fare of $55 each way between Dec 18 and Jan 5.\"\n\nMY NOTES\n- Traveling Dec 19, back Jan 4.\n- I have one checked bag.\n- Roommate says the bus is \"basically free.\"\n- Flight is 1.5 hours; bus is 6 hours.","rules":[{"type":"numberedItems","count":3},{"type":"maxWords","max":70},{"type":"plainText"}],"mistakes":[{"title":"Missing the holiday fare","why":"The AI uses $45 and misses Greyline's email about your dates.","fix":"Add: \"Use the $55 holiday fare.\"","checks":["r1"]},{"title":"Forgetting the extras","why":"The AI compares the fares and leaves out bag fees and airport rides.","fix":"Say: \"Include bag fees and airport rides each way.\"","checks":["r0"]},{"title":"No math shown","why":"The AI gives totals with no working, so you can't check them.","fix":"Show it: \"1. Flight: ($89 + $35 bag + $20 ride) x 2 = $288\".","checks":["r0","numberedItems"]},{"title":"Getting advice","why":"The AI weighs pros and cons and nudges you toward one option.","fix":"Add: \"The last line only says which costs less and by how much. No advice.\"","checks":["r2","plainText"]},{"title":"Trusting the AI to count words","why":"AI is bad at counting. Ask for \"under 70 words\" and it often lands well over.","fix":"Cap each part: \"each line under 16 words.\"","checks":["maxWords"]}],"promptHints":[{"label":"Uses the holiday fare","patterns":["\\$?55","holiday","nov(ember)? 4"]},{"label":"Counts the extras","patterns":["bag","ride","fees?"]},{"label":"Shows the math","patterns":["x\\s*2","round.trip","show.{0,15}(math|work)"]},{"label":"Sets the number of lines","patterns":["\\b(3|three)\\b.{0,20}(lines?|numbered|items?|steps?)"]},{"label":"Sets a word limit","patterns":["\\d+\\s*words","word (limit|count)"]}],"hint":"Fares hide fees and date-based prices. Tell the AI every cost to count, which fare applies to your dates, and show it one line.","rubricLabels":["Line 1 gives the flight as $288 round trip with the math ($89 + $35 + $20 = $144 each way x 2)","Line 2 gives the bus as $110 round trip using the holiday fare ($55 x 2), not $90","Line 3 says the bus costs $178 less, and the answer gives no advice beyond the numbers"]}