A death of a musician can be a milestone.Logical formLearned from5 sentences. A meeting may represent a milestone.Logical formLearned from5 sentences. A milestone can be painful.Logical formLearned from5 sentences. A milestone can be for a language.Logical formLearned from5 sentences. A birthday may coincide with a milestone.Logical formLearned from5 sentences. A drive can be a milestone.Logical formLearned from5 sentences. A museum may mark a milestone.Logical formLearned from5 sentences. A return of a world-city can be a milestone.Logical formLearned from5 sentences. A milestone can be in a history of science.Logical formLearned from5 sentences. A quarter may mark a milestone.Logical formLearned from5 sentences. A male may mark a (movie milestone).Logical formLearned from5 sentences. A night can be constituted-of-or-filled-with milestones.Logical formLearned from5 sentences. Milestones can be for a company.Logical formLearned from5 sentences. Milestones can be culinary.Logical formLearned from5 sentences. A milestone may determine the future of a planet.Logical formLearned from5 sentences.