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: NASA Picks Swede Launch Site for Giant Balloons By TOMMY GRANDELL    STOCKHOLM, Sweden (AP) -- NASA has agreed to launch its largest scientific balloons from a site in northern Sweden, a spokesman said Tuesday.    To launch them, the Swedish Space Corp., which owns Esrange, has signed a \$1.32 million contract with the Swedish construction company NCC to double the size of the present launch pad...

Sci/Tech