A female may scratch a back of a neck.Logical formLearned from5 sentences. Spectacles may be scratched.Logical formLearned from5 sentences. Scientists may scratch heads.Logical formLearned from5 sentences. A secret may scratch at a person.Logical formLearned from5 sentences. (Debt experts) may scratch heads.Logical formLearned from5 sentences. A person may scratch an eye.Logical formLearned from5 sentences. A male may be scratched behind ears.Logical formLearned from5 sentences. A person may scratch a head that something-is-the-case.Logical formLearned from5 sentences. Persons may scratch a surface.Logical formLearned from5 sentences. Pens may scratch.Logical formLearned from5 sentences. A male may scratch a hand.Logical formLearned from5 sentences. A male may be scratched at a stubble.Logical formLearned from5 sentences. A table may be scratched.Logical formLearned from5 sentences. Arms may be scratched.Logical formLearned from5 sentences. Claws may scratch.Logical formLearned from5 sentences.