A signal can be interlaced.Logical formLearned from86 sentences. Signals can be vocal.Logical formLearned from86 sentences. A signal can be ominous.Logical formLearned from86 sentences. Signals can be about the economy.Logical formLearned from86 sentences. A signal can be to a brain.Logical formLearned from85 sentences. A signal may be detected.Logical formLearned from85 sentences. Signals can be directional.Logical formLearned from84 sentences. A signal can be simple.Logical formLearned from84 sentences. Signals may indicate that something-is-the-case.Logical formLearned from84 sentences. Signals can be emotional.Logical formLearned from84 sentences. A signal may be transmitted.Logical formLearned from84 sentences. A male may send a signal.Logical formLearned from84 sentences. A signal can be detectable.Logical formLearned from84 sentences. A signal may pertain-to determination.Logical formLearned from83 sentences. A signal can be to a US-city.Logical formLearned from83 sentences.