Different subfields of AI (Robotics, Computer Vision, NLP, ML, etc) have been holding contests by defining a standard task and challenging researchers to do their best. Examples include the International Planning Competition, the DARPA Urban Challenge for robotic cars, the Robocup robotic soccer league, the TREC (Text Retrieval Conference), the PASCAL Visual Object Classes challenge, and contests in speech recognition and machine translation. Investigate three of these contests, and briefly describe the progress made over the years. To what extent have the contests advanced the state of the art in AI?

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8. create an abstract student class for parker university. the class contains fields for student id number, last name, and annual tuition. include a constructor that requires parameters for the id number and name. include get and set methods for each field; the settuition() method is abstract. create three student subclasses named undergraduatestudent, graduatestudent, and studentatlarge, each with a unique settuition() method. tuition for an undergraduatestudent is $4,000 per semester, tuition for a graduatestudent is $6,000 per semester, and tuition for a studentatlarge is $2,000 per semester. write an application that creates an array of at least six objects to demonstrate how the methods work for objects for each student type. save the files as student. java, undergraduatestudent. java, graduatestudent. java, studentatlarge. java, and studentdemo. java.