Separate in different paragraphs each reason. (Examples sentence)
Paragraph 1: Let's begin by looking at the first agrument.
Paragraph 2: Another issue is that [...].
Paragraph 3 or an alternative opinion: Nevertheless, some people think [...], on the other hand, there is an argument, that [...]. In other words, [...].
In the paragraph 4, balance your essay by discussing the opposing view: I can not find this view very convincing [...],