A signal can be analog.Logical formLearned from50 sentences. A bandwidth may pertain-to a signal.Logical formLearned from50 sentences. A signal can be sinusoidal.Logical formLearned from50 sentences. Signals may be used.Logical formLearned from50 sentences. A signal can be to persons.Logical formLearned from50 sentences. Signals can be simple.Logical formLearned from50 sentences. A signal can be to a male.Logical formLearned from50 sentences. A signal may pertain-to confidence.Logical formLearned from50 sentences. A signal may change.Logical formLearned from50 sentences. A value may pertain-to a signal.Logical formLearned from50 sentences. A signal can be to a country.Logical formLearned from50 sentences. A signal can be to a community.Logical formLearned from50 sentences. A male may give a signal.Logical formLearned from49 sentences. Signals may undergo a generation.Logical formLearned from49 sentences. A signal can be strong.Logical formLearned from49 sentences.