Lessons may be learnt from incidents.Logical formLearned from15 sentences. A book may offer lessons.Logical formLearned from15 sentences. (Lesson plans) may be provided.Logical formLearned from15 sentences. Lessons may pertain-to an event.Logical formLearned from15 sentences. Purposes may pertain-to a lesson.Logical formLearned from15 sentences. Lessons can be quality.Logical formLearned from15 sentences. A lesson of a decade can be that something-is-the-case.Logical formLearned from15 sentences. A lesson can be on a subject.Logical formLearned from15 sentences. A male may teach a person a lesson.Logical formLearned from15 sentences. A lesson can be for managers.Logical formLearned from15 sentences. A lesson can be in diversity.Logical formLearned from15 sentences. Lessons may pertain-to a childhood.Logical formLearned from15 sentences. Lessons may teach persons.Logical formLearned from15 sentences. Lessons may be learnt from operations.Logical formLearned from15 sentences. Lessons may undergo an assessment.Logical formLearned from15 sentences.