A cat may be scratched.Logical formLearned from43 sentences. Experts may scratch heads.Logical formLearned from41 sentences. Everyone may scratch heads.Logical formLearned from40 sentences. Others may scratch heads.Logical formLearned from39 sentences. Scientists may scratch heads.Logical formLearned from38 sentences. Fans may scratch heads.Logical formLearned from38 sentences. A bit may be scratched.Logical formLearned from37 sentences. A person may be scratched from a start.Logical formLearned from36 sentences. A male may scratch a surface.Logical formLearned from35 sentences. A male may be scratched from a start.Logical formLearned from34 sentences. A male may scratch a back of a head.Logical formLearned from32 sentences. Gamers may scratch to a beat of mash-ups.Logical formLearned from32 sentences. Officials may scratch heads.Logical formLearned from32 sentences. Some mushers may scratch.Logical formLearned from32 sentences. A head may scratch.Logical formLearned from31 sentences.