Topics may include energy.Logical formLearned from23 sentences. Energies may be released.Logical formLearned from23 sentences. Persons may drill a way to (energy security).Logical formLearned from23 sentences. The sun can be a source of energy.Logical formLearned from23 sentences. Energy can be maternal.Logical formLearned from23 sentences. Emphasis can be on (energy efficiency).Logical formLearned from23 sentences. An (energy storage system) can be rechargeable.Logical formLearned from23 sentences. A ratio may pertain-to energy.Logical formLearned from23 sentences. An (energy system) may pertain-to a nation.Logical formLearned from23 sentences. An (energy conversion) can be efficient.Logical formLearned from23 sentences. An (energy intake) can be inadequate.Logical formLearned from23 sentences. Energy can be vigorous.Logical formLearned from23 sentences. (Energy resources) may undergo a management.Logical formLearned from23 sentences. A person may get_up energy.Logical formLearned from23 sentences. A (life energy) may pertain-to persons.Logical formLearned from23 sentences.