Defenders may scratch heads.Logical formLearned from4 sentences. (Government officials) may scratch heads.Logical formLearned from4 sentences. Investigators may scratch heads.Logical formLearned from4 sentences. An album may be scratched.Logical formLearned from3 sentences. (Vinyl records) may be scratched.Logical formLearned from3 sentences. Surfaces may be scratched.Logical formLearned from3 sentences. Tension can be similar to scratching an itch.Logical formLearned from3 sentences. A (cue ball) may be scratched.Logical formLearned from3 sentences. A breaker may scratch.Logical formLearned from3 sentences. Fans may scratch.Logical formLearned from3 sentences. Patients may scratch.Logical formLearned from3 sentences. A pen may scratch upon paper.Logical formLearned from3 sentences. A hen may scratch.Logical formLearned from3 sentences. Vines may scratch at arms.Logical formLearned from3 sentences. Engineers may be scratched.Logical formLearned from3 sentences.