ChatGPT uses v3.5, which isn't very smart. If you run this through GPT4, it solves it correctly: To solve this problem, we need to identify the pattern in

ChatGPT uses v3.5, which isn't very smart. If you run this through GPT4, it solves it correctly: To solve this problem, we need to identify the pattern in the given sequence. Let's examine the sequence step by step: 1. FXGB 2. HXIB 3. JXKB 4. _____ 5. NXOB Now let's look at each component of the sequences: The first letter in each set: - F (6th letter of the alphabet) - H (8th letter) - J (10th letter) - ? (We need to find this one) - N (14th letter) We can observe that the sequence is increasing by 2 each time (6, 8, 10, ?, 14). Therefore, the missing letter should be the 12th letter of the alphabet, which is L. The second letter in each set is consistently 'X', so we can assume that it will remain 'X' in the missing set as well. The third letter in each set: - G (7th letter of the alphabet) - I (9th letter) - K (11th letter) - ? (We need to find this one) - O (15th letter) Like the first letter, this sequence is also increasing by 2 each time (7, 9, 11, ?, 15). Therefore, the missing letter should be the 13th letter of the alphabet, which is M. The fourth letter in each set: - B (2nd letter of the alphabet) - I (9th letter) - B (2nd letter) - ? (We need to find this one) - B (2nd letter) There doesn't seem to be a consistent pattern for the fourth letter, but we can see that it is alternating between 'B' and 'I'. Given the pattern, we would expect the fourth letter in the missing set to be 'B' to maintain the alternation. Putting it all together, the missing set should be: LXMB Therefore, the answer is D. LXMB. It blows my mind how people persistently proudly proclaim the superiority of the human mind over artificial intelligence, while making silly mistakes like comparing themselves against an outdated inferior model instead of the state-of-the-art!