Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to contact the president of the united states [title] Write the letter respectfully. [step] Regardless of your sentiments toward the president, or whether you're condemning or praising potus, remember that you're writing to the leader of the united states. Write an honest but respectful letter, stating your thoughts clearly and reasonably.

Ending1: Before you even address the president, be clear about what kind of letter you want to send and why the letter needs to be sent so respectfully. [substeps] Use informal language like " dear president george washington " and be absolutely sure there's nothing offensive in your letter. Ending2: [substeps] Unless it's a major bill that you wish to discuss, it'll probably be better for you to write in a formal, respectful way. Incorporate brief paragraphs to encourage the president to clarify whatever he thinks you've meant to say. Ending3: Use it as a chance to clarify the points made in your letter and show that the president stands behind the proposed change. Avoid using " sir " or " miss, " both of which could confuse the president. Ending4: Don't include any threats-overt or otherwise. [title] Format the letter according to white house rules.

Answer format: ending1/ending2/ending3/ending4