Which of the following is a good example of AI? 1- analyze consumers' preference and predict what product they will buy on their platforms. Based on these estimations, products are sent closer to the consumers' location even before they place their orders, so that the products can be delivered faster, while customer satisfaction is increased. 2- placing sensors on materials can enable more precise and reliable monitoring of inventories that flow across the actors and processes involved in the supply chain, thus avoiding human errors, input shortages, and the high cost of unnecessary carrying. 3- A connected jet engine can send information about speed, fuel consumption, malfunctioning parts, and other metrics that can be analyzed to identify possible inefficiencies and prevent unnecessary downtime by spotting potential faults earlier. 4- None of the above