Birds can be a milestone.Logical formLearned from4 sentences. A milestone can be in a reintroduction of species.Logical formLearned from4 sentences. Officials may reach milestones.Logical formLearned from4 sentences. An effort may top a milestone.Logical formLearned from4 sentences. A delivery may mark a milestone.Logical formLearned from4 sentences. Some milestone can be in preparations.Logical formLearned from4 sentences. A push may reach a milestone.Logical formLearned from4 sentences. A milestone may come on a religious-holiday.Logical formLearned from4 sentences. A milestone may bolster a status.Logical formLearned from4 sentences. A milestone can be in elections.Logical formLearned from4 sentences. Milestones can be demonstrable.Logical formLearned from4 sentences. A milestone can be against a country.Logical formLearned from4 sentences. A milestone can be in a dispute.Logical formLearned from4 sentences. A milestone can be in sports.Logical formLearned from4 sentences. Milestones can be on a path.Logical formLearned from4 sentences.