A course can be an exercise.Logical formLearned from21 sentences. An exercise can be brisk.Logical formLearned from21 sentences. A link can be between exercise.Logical formLearned from21 sentences. Part may pertain-to military exercises.Logical formLearned from21 sentences. Exercises may undergo timing.Logical formLearned from21 sentences. Exercises may work.Logical formLearned from21 sentences. An exercise can be an attempt.Logical formLearned from21 sentences. An exercise can be systematic.Logical formLearned from21 sentences. An experiment can be an exercise.Logical formLearned from21 sentences. Exercises can be empty.Logical formLearned from21 sentences. A manner may pertain-to an exercise.Logical formLearned from21 sentences. An exercise may suggest that something-is-the-case.Logical formLearned from21 sentences. An exercise can be in thinking.Logical formLearned from21 sentences. An (exercise program) can be supervised.Logical formLearned from21 sentences. An (exercise training) can be aerobic.Logical formLearned from21 sentences.