Lessons can be difficult.Logical formLearned from165 sentences. Lessons may be taught.Logical formLearned from164 sentences. A lesson can be in history.Logical formLearned from163 sentences. A lesson can be fundamental.Logical formLearned from162 sentences. A person may take a lesson.Logical formLearned from162 sentences. Lessons may pertain-to an experience.Logical formLearned from162 sentences. A lesson can be salutary.Logical formLearned from157 sentences. A lesson can be weekly.Logical formLearned from156 sentences. (Lesson plans) can be detailed.Logical formLearned from152 sentences. (Driving lessons) may pertain-to a person.Logical formLearned from152 sentences. Lessons can be profound.Logical formLearned from152 sentences. Lessons can be from a country.Logical formLearned from152 sentences. A lesson can be profound.Logical formLearned from150 sentences. A lesson may pertain-to a literary-work.Logical formLearned from150 sentences. A beginning may pertain-to a lesson.Logical formLearned from149 sentences.