Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to prepare for the master cleanse diet [title] Talk to your doctor about the safety of the program before using the master cleanse diet. [substeps] Fasting diets like the master cleanse are not recommended for individuals with chronic health conditions or on certain medications. [title] Read the instructions for the plan carefully.

Ending1: [step] Familiarize yourself with every class of cleansing precautions the master cleanse program will take. [title] Clear all personal data (such as medical records) with your doctor or a dietician before you undergo the master cleanse diet. Ending2: [substeps] The instructions will clear your hcg and trichomoniasis levels and give you an idea of what the diet will be like for you. [title] Know what to expect when you begin the master cleanse. Ending3: [substeps] Learn everything you can about fasting for weight loss and weight gain. Read about fasting diets, not the progress of the program or diet itself. Ending4: [substeps] Because this diet is highly restrictive, it is important to understand exactly how the program works before beginning the master cleanse. Eliminating a step of the process or an ingredient in the recipe could have a direct impact on the success of the diet.

Answer format: ending1/ending2/ending3/ending4