A fraction may pertain-to carbon.Logical formLearned from25 sentences. (Carbon dioxide) may rise.Logical formLearned from25 sentences. (Carbon copies) can be constituted-of-or-filled-with letters.Logical formLearned from25 sentences. A (carbon dioxide) can be compressed.Logical formLearned from25 sentences. Some emitters can be constituted-of-or-filled-with (carbon dioxide).Logical formLearned from25 sentences. (Carbon dioxide emissions) can be harmful.Logical formLearned from25 sentences. A (carbon dioxide) may be released.Logical formLearned from25 sentences. (Carbon dioxide emissions) can be reduced.Logical formLearned from25 sentences. A (carbon dioxide) can be liquefied.Logical formLearned from24 sentences. Palladium can be on carbon.Logical formLearned from24 sentences. A rise can be in atmospheric (carbon dioxide).Logical formLearned from24 sentences. Sheets can be constituted-of-or-filled-with carbon.Logical formLearned from24 sentences. A reservoir can be constituted-of-or-filled-with carbon.Logical formLearned from24 sentences. Carbon may undergo measurements.Logical formLearned from24 sentences. A (carbon tax plan) may pertain-to a male.Logical formLearned from24 sentences.