Persons may improve a technology.Logical formLearned from21 sentences. (Crop conditions) may improve.Logical formLearned from21 sentences. (Working conditions) may be improved.Logical formLearned from21 sentences. (Refining margins) may improve.Logical formLearned from21 sentences. A band may improve.Logical formLearned from21 sentences. A goal may be improved.Logical formLearned from21 sentences. A person may improve in an area.Logical formLearned from21 sentences. A female may improve a record.Logical formLearned from21 sentences. Measures may be improved.Logical formLearned from21 sentences. Some persons may improve.Logical formLearned from21 sentences. A world-city may improve a record.Logical formLearned from21 sentences. A person may improve grades.Logical formLearned from21 sentences. Persons may improve safety.Logical formLearned from21 sentences. (Trading conditions) may improve.Logical formLearned from21 sentences. A prognosis may be improved.Logical formLearned from21 sentences.