The document discusses the hortatory exposition text type. Hortatory exposition aims to persuade the reader that something should or should not be the case by providing arguments and a recommendation. It has a thesis stating the issue of concern, arguments providing reasons for the concern leading to a recommendation, and a recommendation statement. Language features include use of mental and material processes, relational processes, simple present tense and modals. An example provided has a thesis about lead in petrol, arguments about differences between city and country driving, and a recommendation about treating country people differently.