Carbon may pertain-to persons.Logical formLearned from46 sentences. Trees may absorb (carbon dioxide).Logical formLearned from45 sentences. A percent may pertain-to (carbon emissions).Logical formLearned from45 sentences. A percent may pertain-to a (carbon dioxide).Logical formLearned from45 sentences. (Carbon emissions) can be black.Logical formLearned from45 sentences. A cap can be on (carbon dioxide emissions).Logical formLearned from45 sentences. Deep cuts can be in (carbon emissions).Logical formLearned from45 sentences. (Carbon emissions) can be harmful.Logical formLearned from45 sentences. Carbon may undergo concentrations.Logical formLearned from44 sentences. (Carbon dioxide levels) may rise.Logical formLearned from44 sentences. A cut can be in (carbon dioxide emissions).Logical formLearned from44 sentences. (Carbon particles) can be black.Logical formLearned from44 sentences. Some percent can be constituted-of-or-filled-with some (carbon dioxide emissions).Logical formLearned from44 sentences. Some gigatons can be constituted-of-or-filled-with carbon.Logical formLearned from43 sentences. Carbon may undergo a production.Logical formLearned from43 sentences.