(Summer classes) may pertain-to a person.Logical formLearned from220 sentences. A person may have classes.Logical formLearned from220 sentences. A middle class can be in a country.Logical formLearned from218 sentences. A class may pertain-to a professor.Logical formLearned from218 sentences. A class can be difficult.Logical formLearned from218 sentences. Classes may start_up.Logical formLearned from217 sentences. An one can be in a class.Logical formLearned from216 sentences. A (ruling class) may pertain-to a country.Logical formLearned from216 sentences. A guy can be in a class.Logical formLearned from216 sentences. A person may sign_up for a class.Logical formLearned from216 sentences. Classes may take place.Logical formLearned from215 sentences. A focus may pertain-to a class.Logical formLearned from215 sentences. A person may go to classes.Logical formLearned from214 sentences. A male may graduate in a class.Logical formLearned from213 sentences. Classes can be at a college.Logical formLearned from213 sentences.