Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to conduct scientific research [title] Choose a topic that interests you. [step] First, you must identify a field of study that you would like to research. At the student level, you will either be assigned a topic during a course or choose a lab that performs research that interests you.

Ending1: By determining what you want to research, you will prepare yourself for evaluating your research. [substeps] If your school offers in-person research opportunities, you may consider signing up for a study abroad program, like mit. Ending2: It is important for you to choose the right topic before you start writing. [substeps] After choosing a field of study, begin calculating your level of interest. Ending3: This is where you will know whether you want to study your topic as a new thesis, or receive a proposal from your professor. [substeps] Take a few days and spend some time thinking about what topic makes your topic interesting, or how to research it to better develop it. Ending4: [substeps] Choose a subject that excites you or that you find yourself drawn to. Scientific research isn't limited to just subjects like biology, chemistry, and physics.

Answer format: ending1/ending2/ending3/ending4