List: [response1, response2, response3] Index: 0 Result: First API response only
List: ["Name", "Email", "Phone"] Index: 1 Result: "Email" field only
List: [bestMatch, secondBest, thirdBest] Index: 0 Result: Best matching result
Index: 0 → First item Index: 1 → Second item Index: -1 → Last item Index: -2 → Second-to-last item