In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].

[Q]: Big push for radio tags that tell you what #39;s in the box IBM announced yesterday that it will invest US\$250 million (S\$425 million) over the next five years and employ 1,000 people in a new business unit to support products and services related to sensor networks.
[A]: Sci/Tech


[Q]: UPDATE 1-Del Piero ends goal drought as Italy win again Alessandro Del Piero scored his first goal for Italy in over a year as Marcello Lippi #39;s side picked up their second straight success with a 1-0 victory over Moldova in their World Cup qualifier on Wednesday.
[A]: Sports


[Q]: Alcoa Cautions About Below-Market Offer  NEW YORK (Reuters) - Alcoa Inc. &lt;A HREF="[Link] target=/stocks/quickinfo/fullquote"&gt;AA.N&lt;/A&gt;, the world's biggest  aluminum producer, on Monday cautioned its shareholders about  an unsolicited, below-market "mini-tender" offer being made by  Toronto-based TRC Capital Corp. to buy up to 3.5 million of its  shares.
[A]:
Business


