A bird may pertain-to a US-city.Logical formLearned from90 sentences. Sounds may pertain-to birds.Logical formLearned from90 sentences. Birds can be from a country.Logical formLearned from90 sentences. Birds can be quiet.Logical formLearned from89 sentences. Birds may stop.Logical formLearned from89 sentences. A birds may undergo a culling.Logical formLearned from89 sentences. Birds can be free-range.Logical formLearned from89 sentences. Habitat can be for migratory birds.Logical formLearned from88 sentences. A body may pertain-to a bird.Logical formLearned from88 sentences. An outbreak may pertain-to a (bird flu).Logical formLearned from88 sentences. A passerine bird can be in a family.Logical formLearned from87 sentences. (Bird feeders) may pertain-to a person.Logical formLearned from87 sentences. Persons may find of (bird species).Logical formLearned from87 sentences. A bird can be stupid.Logical formLearned from87 sentences. Birds may sing.Logical formLearned from87 sentences.