Hepatic encephalopathy required and intubation of the airway is often necessary to prevent life-threatening complications (e.g., aspiration or respiratory failure). Placement of a nasogastric tube permits the safe administration of nutrients and medication. The treatment of hepatic encephalopathy depends on the suspected underlying cause (types A, B or C) and the presence or absence of underlying causes. If encephalopathy develops in acute liver failure (type A), even in a mild form (grade 1–2), it indicates that a liver transplant may be required, and transfer to a specialist centre is advised. Hepatic encephalopathy type B may arise in those who have undergone a
Adjective phrase "private" placed in post-object position only creates one interpretation. The structure of adjective phrases (and of all other phrase types) can be represented using tree structures. There are two modern conventions for doing this, constituency-based trees of phrase structure grammars and dependency-based trees of dependency grammars. Both types of trees are produced here. The important aspect of these tree structures—regardless of whether one uses constituency or dependency to show the structure of phrases—is that they are identified as adjective phrases by the label on the top node of each tree. The following trees illustrate head-final adjective phrases, i.e. adjective phrases