Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to write a character letter to a judge [title] Choose your materials. [step] A professional-looking letter should by typed on high quality paper and signed with an ink pen. A clean sheet of white 8.5 " x11 " printer paper is acceptable.

Ending1: [substeps] You should also use glossy glossy paper such as 8.5 " sandpaper treated with gripe or gafpo. These papers are good for letters between ages 10 and over. Ending2: [substeps] Blank paper or regular cardboard do not work well. Tape the paper (any kind, no one uses normal non-colored paper anyway) to the paper such as a rectangular paper, box paper, or u.s. Ending3: You can also find " business " or " résumé " paper, which is usually thicker, and cream or off-white in color. When typing your letter, choose a professional looking font that is legible and large enough to be easily read. Ending4: [substeps] Separate the signatures of your audience from the signatures of your characters. Select pictures that you can spread out and it will be very easy to determine which way your characters are looking at your document when reading it.

Answer format: ending1/ending2/ending3/ending4