A lesson can be in ecology.Logical formLearned from7 sentences. Differences can be lessons.Logical formLearned from7 sentences. Lessons can be common.Logical formLearned from7 sentences. Lessons may pertain-to 1980s.Logical formLearned from7 sentences. A lesson can be from a company.Logical formLearned from7 sentences. A lesson can be in danger.Logical formLearned from7 sentences. A child may have (piano lessons).Logical formLearned from7 sentences. Lessons may be learnt from problems.Logical formLearned from7 sentences. A serenity of a (golf lesson) may be broken by a sound of (police sirens).Logical formLearned from7 sentences. A road may have lessons.Logical formLearned from7 sentences. Lessons can be for tourists.Logical formLearned from7 sentences. Lessons can be about decision-making.Logical formLearned from7 sentences. Opposition may learn a lesson.Logical formLearned from7 sentences. Trouble can be with a lesson.Logical formLearned from7 sentences. A lesson can be in strategy.Logical formLearned from7 sentences.