A male may be scratched at a head.Logical formLearned from15 sentences. A US-city may be scratched.Logical formLearned from15 sentences. A dog may be scratched.Logical formLearned from15 sentences. A person may scratch with a left hand.Logical formLearned from15 sentences. Researcher may scratch heads.Logical formLearned from14 sentences. A cornea may be scratched.Logical formLearned from14 sentences. Staff may scratch heads.Logical formLearned from14 sentences. A voice may scratch.Logical formLearned from14 sentences. A car may be scratched.Logical formLearned from14 sentences. A paint may be scratched.Logical formLearned from14 sentences. A person may scratch an itch.Logical formLearned from14 sentences. Some analysts may scratch heads.Logical formLearned from14 sentences. A plan may be scratched.Logical formLearned from14 sentences. A female may scratch a male.Logical formLearned from14 sentences. Everyone may scratch a head.Logical formLearned from14 sentences.