sentences:  The employees were entitled to oral or written notice of charges against them, an explanation of the employer's evidence, and an opportunity to present their sides of the story.Because the respondents alleged that they had no chance to respond, the District Court erred in dismissing for failure to state a claim.The Due Process Clause of the United States Constitution provided that certain substantive rights, such as life, liberty, and property, could not be deprived except pursuant to constitutionally adequate procedures.