Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to write a keyword article quickly [title] Begin by researching popular keyword phrases for the niche you're writing about. [step] There is a variety of popular keyword research tools available that allow you to plug in certain words and find out which keyword phrases are popular with search engines. [title] Write down all of the keyword phrases you want to use in your articles and then create article topics or titles for each set of keywords.

Ending1: [title] Open the article by dragging or swiping to the bottom of your article. [title] Type the keyword phrase or title you want to generate in your article. Ending2: [title] Create sub-titles and tags for each topic listed on your articles. [title] Add a link to your article to pull in more articles available for the topic. Ending3: [title] Compile as many articles as possible through keyword examples. [title] Follow example methods for keyword terms to enter topic-related words into search engines. Ending4: [title] Decide on the density needed for each article. [step] If writing these articles for someone else, they may have a density requirement for each keyword that you need to meet.

Answer format: ending1/ending2/ending3/ending4