A milestone can be hard.Logical formLearned from4 sentences. A milestone may save.Logical formLearned from4 sentences. A milestone can be for nuclear power.Logical formLearned from4 sentences. Anniversaries can be constituted-of-or-filled-with some milestones.Logical formLearned from4 sentences. Milestones can be somber.Logical formLearned from4 sentences. A payment can be a milestone.Logical formLearned from4 sentences. Attention may be paid to a milestone.Logical formLearned from4 sentences. A country may cross a milestone.Logical formLearned from4 sentences. Some milestones may pass.Logical formLearned from4 sentences. A foundation may celebrate a milestone.Logical formLearned from4 sentences. A milestone can be for a season.Logical formLearned from4 sentences. A religious-holiday can be a milestone.Logical formLearned from4 sentences. A milestone can be in a development of a democracy.Logical formLearned from4 sentences. A year can be a series of milestones.Logical formLearned from4 sentences. Milestones can be religious.Logical formLearned from4 sentences.