Hundreds can be constituted-of-or-filled-with birds.Logical formLearned from531 sentences. A group can be constituted-of-or-filled-with birds.Logical formLearned from524 sentences. Birds may sing.Logical formLearned from521 sentences. Birds can be terrestrial.Logical formLearned from514 sentences. Cases can be constituted-of-or-filled-with (bird flu).Logical formLearned from505 sentences. Birds can be beautiful.Logical formLearned from501 sentences. A person can be a bird.Logical formLearned from482 sentences. A case can be constituted-of-or-filled-with (bird flu).Logical formLearned from475 sentences. Flocks can be constituted-of-or-filled-with birds.Logical formLearned from467 sentences. A bird may sing.Logical formLearned from445 sentences. A bird can be beautiful.Logical formLearned from442 sentences. A strain may pertain-to a (bird flu virus).Logical formLearned from437 sentences. Birds can be white.Logical formLearned from434 sentences. A bird may fly.Logical formLearned from433 sentences. Birds can be male.Logical formLearned from423 sentences.