(Poll ratings) may pertain-to a president.Logical formLearned from21 sentences. A rating can be revised.Logical formLearned from21 sentences. Ratings can be behind a tv-network.Logical formLearned from21 sentences. A basis may pertain-to ratings.Logical formLearned from21 sentences. A (rating scale) can be numerical.Logical formLearned from21 sentences. Ratings can be for some years.Logical formLearned from21 sentences. A rating can be territorial.Logical formLearned from21 sentences. A rating can be healthy.Logical formLearned from21 sentences. A (rating system) may pertain-to a country.Logical formLearned from21 sentences. (Support ratings) may fall.Logical formLearned from21 sentences. A top channel can be in (viewer ratings).Logical formLearned from21 sentences. A tv-network may have a rating.Logical formLearned from21 sentences. A rating can be for a (government debt).Logical formLearned from21 sentences. A (risk rating) can be sovereign.Logical formLearned from21 sentences. (Approval ratings) may pertain-to a party.Logical formLearned from21 sentences.