In this task, you are given a question and a context passage. You have to answer the question based on the given passage.

Example Input: What happens with Patent 5,703,999, Context: An exception is the United States, where patents filed prior to 8 June 1995 expire 17 years after the publication date of the patent, but application extensions make it possible for a patent to issue much later than normally expected (see submarine patents). The various MP3-related patents expire on dates ranging from 2007 to 2017 in the U.S. Patents filed for anything disclosed in ISO CD 11172 a year or more after its publication are questionable. If only the known MP3 patents filed by December 1992 are considered, then MP3 decoding has been patent-free in the US since 22 September 2015 when U.S. Patent 5,812,672 expired which had a PCT filing in October 1992. If the longest-running patent mentioned in the aforementioned references is taken as a measure, then the MP3 technology will be patent-free in the United States on 30 December 2017 when U.S. Patent 5,703,999, held by the Fraunhofer-Gesellschaft and administered by Technicolor, expires.
Example Output: then the MP3 technology will be patent-free in the United States on 30 December 2017 when U.S. Patent 5,703,999, held by the Fraunhofer-Gesellschaft and administered by Technicolor, expires

Example Input: what city possesses over 80 parks and garden?, Context: Miami's tropical weather allows for year-round outdoors activities. The city has numerous marinas, rivers, bays, canals, and the Atlantic Ocean, which make boating, sailing, and fishing popular outdoors activities. Biscayne Bay has numerous coral reefs which make snorkeling and scuba diving popular. There are over 80 parks and gardens in the city. The largest and most popular parks are Bayfront Park and Bicentennial Park (located in the heart of Downtown and the location of the American Airlines Arena and Bayside Marketplace), Tropical Park, Peacock Park, Morningside Park, Virginia Key, and Watson Island.
Example Output: Miami

Example Input: What material did airport designers use to build the longer runways required by the increase in jet aircraft traffic?, Context: Airport construction boomed during the 1960s with the increase in jet aircraft traffic. Runways were extended out to 3,000 m (9,800 ft). The fields were constructed out of reinforced concrete using a slip-form machine that produces a continual slab with no disruptions along the length. The early 1960s also saw the introduction of jet bridge systems to modern airport terminals, an innovation which eliminated outdoor passenger boarding. These systems became commonplace in the United States by the 1970s.
Example Output:
reinforced concrete