Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to earn a black belt [title] Sign up for a class. [step] Some people think it is okay to study martial arts from a book, but it is not the same. An authentic school is preferable, but the important thing is to be in a class with good teachers.

Ending1: [substeps] There are a litany of techniques you will learn to earn a black belt in karate. You will earn your way up the belt ladder, earning different color belts as you make your way to the black belt. Ending2: Try thinking about an instructor who is really knowledgeable about martial arts, but has a good time explaining the technical and experimental aspects of it. Don't be confused about the different styles of martial arts, and only join a class that is appropriate for you. Ending3: In your class you want to be familiar with the program. Make sure you say something like, " i like the program and want to be certified for black belt. Ending4: Visit a local martial arts studio and get the equipment and supplies you will need before spending the project trying to buy a black belt. [substeps] Near the bottom of each class, write the letters " class.

Answer format: ending1/ending2/ending3/ending4