Concentration may undergo an enhancement.Logical formLearned from5 sentences. Concentration may be controlled.Logical formLearned from5 sentences. Concentration may undergo an addition.Logical formLearned from5 sentences. (Chemical species) may undergo concentration.Logical formLearned from5 sentences. Concentration may be reached.Logical formLearned from5 sentences. Students may receive (concentration credit).Logical formLearned from5 sentences. A time can be in a (concentration camp).Logical formLearned from5 sentences. Questions can be about concentration.Logical formLearned from5 sentences. A requirement can be for concentration.Logical formLearned from5 sentences. Concentrations can be designed.Logical formLearned from5 sentences. Data may indicate concentrations.Logical formLearned from5 sentences. Creatures may undergo concentration.Logical formLearned from5 sentences. A person may maintain concentration.Logical formLearned from5 sentences. (Concentration profiles) can be vertical.Logical formLearned from5 sentences. Graduates can be in concentration.Logical formLearned from5 sentences.