Query  ·  Lisbon — 2 nights, walkable, mid-range.

Three assistants. One question. Three different "best" answers.

Illustrative model. Not real hotels, rates, or assistants.

Hotels appearing in all three answers

Same query. Three indexes. Three rankings.

Outside every assistant's index: the cheapest option and the highest-rated option in the market. No ranking rule can surface what was never acquired.