A length may pertain-to a beak.Logical formLearned from13 sentences. Beaks can be hard.Logical formLearned from13 sentences. Beaks can be open.Logical formLearned from13 sentences. A beak can be for tearing flesh.Logical formLearned from12 sentences. A beak can be short.Logical formLearned from12 sentences. A beak can be thick.Logical formLearned from12 sentences. Changes may occur in a beak.Logical formLearned from12 sentences. Beaks can be open.Logical formLearned from12 sentences. A beak can be crooked.Logical formLearned from12 sentences. Tips may pertain-to beaks.Logical formLearned from12 sentences. A beak can be heavy.Logical formLearned from11 sentences. An underside may pertain-to a beak.Logical formLearned from11 sentences. A beak can be red.Logical formLearned from11 sentences. A bird may have a beak.Logical formLearned from11 sentences. A beak can be large.Logical formLearned from11 sentences.