A female may scratch.Logical formLearned from143 sentences. Head may scratch.Logical formLearned from100 sentences. Some persons may scratch heads.Logical formLearned from76 sentences. A male may be scratched from a start.Logical formLearned from73 sentences. Persons may scratch.Logical formLearned from72 sentences. A male may be scratched from a lineup.Logical formLearned from70 sentences. A face may be scratched.Logical formLearned from62 sentences. A surface may be scratched.Logical formLearned from61 sentences. A story may be scratched.Logical formLearned from56 sentences. A person may scratch a possession.Logical formLearned from55 sentences. A male may scratch a back of a neck.Logical formLearned from53 sentences. A male may scratch himself.Logical formLearned from53 sentences. A back may be scratched.Logical formLearned from53 sentences. A person may scratch heads.Logical formLearned from52 sentences. Stories may be scratched.Logical formLearned from52 sentences.