A world can be safe for nails.Logical formLearned from26 sentences. Nails can be thick.Logical formLearned from25 sentences. A person may love nails.Logical formLearned from25 sentences. Nails can be unsightly.Logical formLearned from25 sentences. Nails may be scratched.Logical formLearned from25 sentences. Persons may paint nails.Logical formLearned from25 sentences. A person may put a nail.Logical formLearned from25 sentences. Nails may be manicured.Logical formLearned from25 sentences. A person may spit nails.Logical formLearned from25 sentences. A male may put a nail.Logical formLearned from25 sentences. A female may break a nail.Logical formLearned from25 sentences. A (nail file) may pertain-to a female.Logical formLearned from25 sentences. Nails can be strong.Logical formLearned from24 sentences. A person may drive a nail.Logical formLearned from24 sentences. A (nail file) may pertain-to a person.Logical formLearned from24 sentences.