Which represent valid class headers that would be found in this hierarchy? Group of answer choices public class ScriptedShow extends RealityShow {. . .} public class RealityShow extends ScriptedShow {. . .} public class TelevisionShow extends ScriptedShow {. . .} public class ScriptedShow extends Comedy {. . .} public class Drama extends TelevisionShow {. . .} public class Comedy extends Drama {. . .} public class ScriptedShow extends TelevisionShow {. . .} public class Comedy extends ScriptedShow {. . .}