A milestone can be in a retreat.Logical formLearned from7 sentences. A recovery can be a milestone.Logical formLearned from7 sentences. Indictments can be a milestone.Logical formLearned from7 sentences. A conference may represent a milestone.Logical formLearned from7 sentences. A milestone can be in a consolidation of democracy.Logical formLearned from7 sentences. A development may mark a milestone.Logical formLearned from7 sentences. A milestone can be in a (space exploration).Logical formLearned from6 sentences. A milestone can be in addressing challenges.Logical formLearned from6 sentences. A milestone can be in a history of some nations.Logical formLearned from6 sentences. A milestone can be between some countries.Logical formLearned from6 sentences. A milestone can be in regard.Logical formLearned from6 sentences. An arrest can be a milestone.Logical formLearned from6 sentences. Elections may stand_out as a milestone.Logical formLearned from6 sentences. A milestone can be on a journey.Logical formLearned from6 sentences. A (trade pact) can be a milestone.Logical formLearned from6 sentences.