Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to write a swalesian introduction [title] Introduce the topic. [step] When writing a swalesian introduction, begin by setting up the field you're writing about in a succinct summary. This first sentence (or sentences) holds a lot of weight as it sets up the focus for the article to follow.

Ending1: [substeps] Start the intro just before the body of the article to let readers know that you've explored the topic in advance and'd like to include it directly. [title] Check on subheadings that are still accessible. Ending2: For example, say the topic here is " what ever you read before, check here too. " with the first sentence set to " define a claim, " guide your interlocutor towards understanding what that question or statistic indicates. Ending3: [substeps] You want the topic to push the reader into reading it as the introductory paragraph opening up the article. This should be a specific topic you want to tell the reader about in an overarching and concrete way. Ending4: Your lead-in should be brief and clear enough for the reader to understand what the article will pertain to. [substeps] Define your field of study by providing necessary background on your topic.

Answer format: ending1/ending2/ending3/ending4