Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to write a letter of recommendation for a nanny [title] Check who you're addressing. [step] Before you begin your letter, know who you're addressing. Most of the time, your nanny will be using your letter of recommendation for many different jobs.

Ending1: But sometimes, your nanny may not know what you're required to do if they're not yourself. [substeps] For example, your nanny might not know a bucket list of state-run nanny jobs if you're a nurse! [title] Choose a subject and time for your letter. Ending2: To be sure this is someone you're addressed to, you should check your references. If you've never spoken to your nanny before, find out who you know in real life. Ending3: Therefore, something like " dear sir or madam " or " to whom it may concern " is usually appropriate. However, in certain situations you may be addressing someone specific. Ending4: You want to ensure that it isn't spam, as it will defeat any job offer that the nanny has received. [substeps] You can send your letter via email and either print it or mail it to the person you're addressing, using a pen.

Answer format: ending1/ending2/ending3/ending4