An exercise can be in a series.Logical formLearned from13 sentences. Exercises can be successful.Logical formLearned from13 sentences. A country may host an exercise.Logical formLearned from13 sentences. An exercise can be with a country.Logical formLearned from13 sentences. Exercises can be strong.Logical formLearned from13 sentences. Exercises can be airborne.Logical formLearned from13 sentences. Exercises can be short-term.Logical formLearned from13 sentences. Part can be in joint military exercises.Logical formLearned from13 sentences. A military exercise can be regular.Logical formLearned from13 sentences. An exercise may last until a month.Logical formLearned from13 sentences. A trip can be an exercise.Logical formLearned from13 sentences. Naval exercises can be with a country.Logical formLearned from13 sentences. A feature may pertain-to an exercise.Logical formLearned from13 sentences. An exercise may last some days.Logical formLearned from13 sentences. An exercise can be clumsy.Logical formLearned from13 sentences.