A sky can be blue-gray.Logical formLearned from59 sentences. Skies can be dark.Logical formLearned from58 sentences. A sky can be southeastern.Logical formLearned from58 sentences. An object can be in the (night sky).Logical formLearned from58 sentences. A blue sky can be sunny.Logical formLearned from58 sentences. The sky may light_up in a glow of a fireball.Logical formLearned from58 sentences. A beauty may pertain-to the (night sky).Logical formLearned from58 sentences. A person may shoot across a sky.Logical formLearned from57 sentences. The sky may begin.Logical formLearned from57 sentences. Skies can be overcast.Logical formLearned from57 sentences. The sky can be yellow.Logical formLearned from57 sentences. A (night sky) may pertain-to a world-city.Logical formLearned from57 sentences. A flash can be in the sky.Logical formLearned from56 sentences. A (night sky) can be black.Logical formLearned from56 sentences. The sky may snow in a world-city.Logical formLearned from56 sentences.