When Hooper visits Brody's home, he brings two bottles of wine. Brody pours himself a large measure, and then gives his wife and Hooper some. If you look at the bottle, firstly it seems rather full for the amount he's just poured, and secondly the level changes from shot to shot. Sometimes it's above the label, sometimes below.
The purpose of an Essay Introduction is to introduce the reader to the subject matter you are writing about and to state the intent of the paper.
The introduction is the beginning of an essay. It does the same job for an essay as the topic sentence does for a paragraph. In a paragraph, the topic sentence tells the reader what the subject of the paragraph will be and how it will be developed. In an essay, the introduction, which can be one or two paragraphs, introduces the topic. There are three parts to an introduction: the opening statement, the supporting sentences, and the introductory topic sentence. There are many ways to write an introduction, but it is necessary to include each of the three parts: