Please choose the correct ending to complete the given sentence: Health: [header] How to interpret a dream involving a whale or dolphin [title] Write down your dream. [step] Interpreting your dream starts with remembering what your dream was about. Developing the habit of writing down your dreams as soon as you wake up is the best way to train your brain to remember the dream.

Ending1: [substeps] Jot down the names of the seemingly endless rows or columns of dreams you have had or came into contact with. Then, jump up and down on those giant columns, trying to remember details about those dreams in short periods of time. Ending2: Keep a notebook beside your bed to use as a dream journal. [substeps] You can also use apps developed for your phone. Ending3: [substeps] It may seem dull to write out your dream before waking up. However, writing it out before going to sleep will help you maintain a habit of remembering every detail. Ending4: [substeps] Writing down your dream every day helps you to get up slowly and greatly prepares your memory later on. When you wake, sit down and write anything down about your dream.

Answer format: ending1/ending2/ending3/ending4