Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to write a memo for building renovations [title] Request copies of previous memoranda. [step] You can get a feeling for the tone and formality of your organization by looking at examples of past notices. Ask your superior to only provide those samples that they have been pleased with.

Ending1: [title] Obtain copies of contact information for all those who are affected by this memo. [step] You will need to send each party a copy, and it can take a few days or weeks to obtain all the necessary addresses or emails. Ending2: [substeps] Don't waste time requesting the originals for consideration. These should go to the top of the organization, but they may not be needed. Ending3: [title] Keep any letters or correspondence in writing, rather than on paper. [step] The discomfort of completing them may cause further disruption. Ending4: Then have them give the copies back to you. [title] Ask your superior to write a more brief document first.

Answer format: ending1/ending2/ending3/ending4