Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to survive grad school [title] Go to conferences. [step] Attending conferences is an excellent way to get some feedback on your research and to keep yourself focused on your research as well. By going to conferences, you will also have deadlines to help keep you motivated.

Ending1: [substeps] When you are able to attend conferences, also go to one. While some conferences allow online viewers to attend, other conferences focus on a wide variety of topics that can only be worked out with a single person or with a group of other students. Ending2: [substeps] Try calling on contacts and asking questions of your professors. Grad schools often see coursework as the perfect opportunity for you. Ending3: Research conferences are usually held once a month at your professor's office and once a week during your workweek. [substeps] You should also check out some free lectures that you can attend. Ending4: [substeps] Try to attend a few conferences every year and remember to add these presentations to your cv. Most departments offer travel funds to help pay some of your costs.

Answer format: ending1/ending2/ending3/ending4