Write the next sentence in the following story.

How to write a swalesian introduction
Introduce the topic.
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.

Choices: (I). 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. Check on subheadings that are still accessible. (II). 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. (III). 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. (IV). Your lead-in should be brief and clear enough for the reader to understand what the article will pertain to. Define your field of study by providing necessary background on your topic.. The answer should be
(IV).