Carbon may undergo a geo-sequestration.Logical formLearned from14 sentences. A (carbon trading scheme) may pertain-to a country.Logical formLearned from14 sentences. Persons can be anxious about (carbon footprints).Logical formLearned from14 sentences. A price can be constituted-of-or-filled-with carbon.Logical formLearned from14 sentences. A (carbon footprint) may pertain-to an individual.Logical formLearned from14 sentences. A (carbon footprint) may pertain-to a family.Logical formLearned from14 sentences. (Carbon fibre) may undergo a performance.Logical formLearned from14 sentences. A reaction may subsist a (carbon copy).Logical formLearned from14 sentences. Carbon may be dated.Logical formLearned from14 sentences. Reduction can be in (carbon emissions).Logical formLearned from14 sentences. A (carbon fiber) can be exposed.Logical formLearned from14 sentences. A (carbon tax) can be planned.Logical formLearned from14 sentences. A (hide seat) may be protected from a wind by a (carbon fiber bodywork).Logical formLearned from14 sentences. A (carbon trading) can be global.Logical formLearned from14 sentences. Carbon may be emitted.Logical formLearned from14 sentences.