Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Wachusett Aqueduct -  The Wachusett Aqueduct carries water from the Wachusett Reservoir to the John J. Carroll Water Treatment Plant at Walnut Hill in Marlborough Massachusetts. It is part of the public water supply system for the communities of Greater Boston that are served by the Massachusetts Water Resources Authority (MWRA) which manages the aqueduct.
Building

Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Six Flags -  Six Flags Entertainment Corp. is the world's largest amusement park corporation based on number of properties and the fifth-most popular in terms of attendance. The company maintains 18 properties throughout North America consisting of theme parks thrill parks water parks and family entertainment centers. In 2009 Six Flags properties hosted 23.9 million guests.The company was founded in Texas and took its name from its first property Six Flags Over Texas.
Company

Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Short-tail lanternshark -  The short-tail lanternshark (Etmopterus brachyurus) is a shark of the family Etmopteridae found in the western Pacific between latitudes 37°N and 30°S at depths of between 450 and 900 m (1480 and 2950 ft). Its length is up to 50 cm (20 in).Reproduction is ovoviviparous.
