Correct answer: (b) 1, 3 and 4 only
Explanation
- A
1, 2, 3 and 5 only
1, 2, 3 and 5. Meaningful stories/songs and wireless power were not keyed as effective AI then; 5 is physics, not AI.
- B
1, 3 and 4 only
1, 3 and 4 only. Energy optimisation in plants, disease diagnosis, text-to-speech. Not creative fiction as a reliable output, not wireless electricity.
- C
2, 4 and 5 only
2, 4 and 5 only. Wrong trio.
- D
1, 2, 3, 4 and 5
All five. Over-claims 2 and 5 at the 2020 state of the art as keyed.
Summary. Official key is (b) 1, 3 and 4 only. At the then state of AI: industrial energy use, diagnosis, and TTS were live. Inventing meaningful stories/songs and wireless power transmission were not keyed as effective AI tasks.
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