A female may scratch at a door.Logical formLearned from12 sentences. A person may scratch a surface a bit.Logical formLearned from12 sentences. A person may scratch a neck.Logical formLearned from12 sentences. Some investors may scratch heads.Logical formLearned from12 sentences. Persons may scratch heads.Logical formLearned from12 sentences. A male may be scratched at a chin.Logical formLearned from12 sentences. An one may be scratched.Logical formLearned from12 sentences. Screen may be scratched.Logical formLearned from12 sentences. A female may scratch herself.Logical formLearned from12 sentences. A male may scratch heads.Logical formLearned from12 sentences. Some viewers may scratch heads.Logical formLearned from12 sentences. A male may scratch a female.Logical formLearned from11 sentences. A match may be scratched.Logical formLearned from11 sentences. A girlfriend may be scratched.Logical formLearned from11 sentences. A male may be scratched behind an ear.Logical formLearned from11 sentences.