A beak can be inflexible.Logical formLearned from2 sentences. A (mouth cavity) may contain a beak.Logical formLearned from2 sentences. Skin can be under a beak.Logical formLearned from2 sentences. A beak may contain a tongue.Logical formLearned from2 sentences. Adults may have beaks.Logical formLearned from2 sentences. Beaks of species can be distinctive.Logical formLearned from2 sentences. A beak can be shaped.Logical formLearned from2 sentences. A coloring can be on a beak.Logical formLearned from2 sentences. Skin can be at a base of a beak.Logical formLearned from2 sentences. A letter can be in a beak.Logical formLearned from2 sentences. Mud may be collected in beaks.Logical formLearned from2 sentences. Some fish can be in beaks.Logical formLearned from2 sentences. Ridges may be seen on a surface of beaks of turtles.Logical formLearned from2 sentences. A beak may bristle for catching insects.Logical formLearned from2 sentences. A beak can be reduced.Logical formLearned from2 sentences.