Please choose the correct ending to complete the given sentence: Philosophy and Religion: [header] How to become a rabbi [title] Confirm your jewish heritage or convert to judaism. [step] One of the most essential steps to becoming a rabbi is to confirm that you were born jewish through proof from your biological parents. You may already be involved in the synagogue and your jewish faith when you consider becoming a rabbi.

Ending1: [substeps] You can also get proof of your ancestors from your parents. For example, your mother might also be jewish if she came from a jewish family. Ending2: [substeps] Individuals who become rabbis must already have lived a predominately jewish lifestyle for at least three years, where you are involved in your jewish community and have been close to your jewish faith. This is especially important for jews who have been secular or away from their faith for some time. Ending3: This may not be necessary, but if you are interested in becoming a rabbi, it is worth a shot. [substeps] You may decide to become a rabbi only as you reach the age of 65. Ending4: [substeps] It might be beneficial to consider doing a background check and talk to close friends or family about making sure they understand that you are committed to becoming a rabbi. [title] Make sure you study in a language you are comfortable with.

Answer format: ending1/ending2/ending3/ending4