According to Hutchinson & Waters (1987) understanding of ESP main characteristics and developments, consider the following information regarding its correcteness, and choose the CORRECT alternative. I. ESP must be seen as an approach to language teaching not as any particular language product. II. ESP can be seen as an approach to language learning, which is based on learner need. III. ESP is an approach to language teaching in which all the decisions as to content and method are based on the learner's reason for learning.