Mittens may scratch a person.Logical formLearned from2 sentences. A best friend may be scratched.Logical formLearned from2 sentences. Children may scratch themselves.Logical formLearned from2 sentences. A secondary infection may be caused by scratching.Logical formLearned from2 sentences. A layer may be scratched.Logical formLearned from2 sentences. A person may scratch a glass.Logical formLearned from2 sentences. Some (ground feeding birds) may scratch.Logical formLearned from2 sentences. Transparencies may scratch.Logical formLearned from2 sentences. Backs may be scratched.Logical formLearned from2 sentences. A survey may be scratched.Logical formLearned from2 sentences. Distributors may scratch heads.Logical formLearned from2 sentences. A person may scratch a lot.Logical formLearned from2 sentences. Somebody may scratch at a wall.Logical formLearned from2 sentences. A noise of crabs may scratch a planking.Logical formLearned from2 sentences. Legs may be scratched with brambles.Logical formLearned from2 sentences.