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A group of business people has opened a [kind / kindly] of gym for robots. The group is headed by Elon Musk, who is the [bossy / boss] of the electric car company Tesla Motors and the [space / spaced] tourism company, SpaceX. Mr Musk also [founded / finds] the online payments website PayPal. His latest project is [called / calling] OpenAI Gym. It is a platform for researchers and code writers to [test / testing] their latest work. It is an [open / closed] platform, which means people are [freely / free] to test their ideas for artificial intelligence (A.I.) on it. In [particular / peculiar] , researchers can test and share their algorithms for A.I. Algorithms are special sets of rules in a computer program that can solve problems and quickly [dealt / deal] with large amounts of information.

Mr Musk wrote about the OpenAI Gym project and [why / what] his team decided to put it online for [free / freed] . He said: "Our goal is to advance digital [intelligent / intelligence] in the way that is most likely to [beneficial / benefit] humanity as a [whole / hole] , without the need to generate financial return." The OpenAI Gym [follows / chases] the idea of giving rewards for successful learning – [compares / similar] to giving a dog a treat when it learns something new. This is called reinforcement learning. If an algorithm does [good / well] in the gym, it gets a reward. If the algorithm fails, it gets no reward and it has to try something [difference / different] . The aim of the gym is to develop an algorithm that can multi-task - do many things at the same time - rather than be good at doing just [once / one] thing.