Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to structure a dissertation [title] Start your dissertation content with a short introduction. [step] This introduction should present the scope of your research, while it also establishes the need for your research. It should expand upon the abstract's summary.

Ending1: [substeps] In this introduction, you'll outline the basic structure of your research, with sections for information. This outline can include information about the scope of your project, the subject matter that you wish to investigate, and some documentation. Ending2: Explain to the reader why your dissertation should be structured and why your dissertation should be fleshed out to include as many details as possible. [substeps] Allocate some time to limit unnecessary research and to avoid going flat. Ending3: [substeps] Be sure to describe the abstract in its simplest terms. For example, a dissertation might be about the combustion of a gas and the nature and origin of gas. Ending4: The introduction should include any context or background information that the reader needs in order to understand your research. [substeps] Writing the introduction after the rest of the content can sometimes be a good way of ensuring the introduction covers everything.

Answer format: ending1/ending2/ending3/ending4