Hanry is a student. In School, there is a prestigious award so called a star. To be a star is not an easy task, a student with a good character only that can be called a star. In addition to that, a...

Hanry is a student. In School, there is a prestigious award so called a star. To be a star is not an easy task, a student with a good character only that can be called a star. In addition to that, a good character can be defined as a diligence and smart student. During his study, Hanry always present in all his subject and that makes him a diligence student. Not only that, Hanry also won award during his study, that makes him to get a predicate of smart student. Proves that Hanry is a star using backward chaining method!