Definition: 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].
Input: GE to Buy Water Treatment Co for \$1.1 Bln &lt;p&gt;\&lt;/p&gt;&lt;p&gt; BOSTON (Reuters) - General Electric Co. &lt;GE.N&gt; will buy\Ionics Inc. &lt;ION.N&gt; for \$1.1 billion to build out its water\treatment and services business, one of its major growth\initiatives, the companies said on Wednesday.&lt;/p&gt;

Business