This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.

[EX Q]: Passage: Madonna moved in with boyfriend John "Jellybean" Benitez, asking his help for finishing the album's production. Benitez remixed most of the tracks and produced "Holiday", which was her third single and her first global hit. The overall sound of Madonna was dissonant and in the form of upbeat synthetic disco, using some of the new technology of the time, like the Linn drum machine, Moog bass and the OB-X synthesizer. The album was released in July 1983 and peaked at number eight on the Billboard 200 six months later, in 1984. It yielded two more hit singles, "Borderline" and "Lucky Star". Question: Who remixed most of Madonna's album tracks?
[EX A]: Benitez

[EX Q]: Passage: With the continued miniaturization of computing resources, and advancements in portable battery life, portable computers grew in popularity in the 2000s. The same developments that spurred the growth of laptop computers and other portable computers allowed manufacturers to integrate computing resources into cellular phones. These so-called smartphones and tablets run on a variety of operating systems and have become the dominant computing device on the market, with manufacturers reporting having shipped an estimated 237 million devices in 2Q 2013. Question: How many tablets were sold in 2Q 2013?
[EX A]: 237 million devices

[EX Q]: Passage: One way to divide hunter-gatherer groups is by their return systems. James Woodburn uses the categories "immediate return" hunter-gatherers for egalitarian and "delayed return" for nonegalitarian. Immediate return foragers consume their food within a day or two after they procure it. Delayed return foragers store the surplus food (Kelly, 31). Question: To what kind of group does the delayed return system belong?
[EX A]:
nonegalitarian