A (greenhouse effect) can be a phenomenon.Logical formLearned from8 sentences. A law can be a phenomenon.Logical formLearned from8 sentences. A phenomenon can be in cities.Logical formLearned from8 sentences. Light can be an electromagnetic phenomenon.Logical formLearned from8 sentences. A phenomenon may be knowned as lensing.Logical formLearned from8 sentences. Persons may describe a phenomenon.Logical formLearned from8 sentences. A totality may pertain-to a phenomenon.Logical formLearned from8 sentences. A phenomenon may be established.Logical formLearned from8 sentences. A phenomenon may undergo investigations.Logical formLearned from8 sentences. A possibility may pertain-to a phenomenon.Logical formLearned from8 sentences. Some views may show a phenomenon.Logical formLearned from8 sentences. A phenomenon can be acute.Logical formLearned from8 sentences. Variety can be constituted-of-or-filled-with phenomenon.Logical formLearned from8 sentences. A phenomenon may be took into account.Logical formLearned from8 sentences. A revolution can be a phenomenon.Logical formLearned from8 sentences.