Ключевые слова: against, agree, answer, background, black, blackboard, board, box, business, chalk, chalkboard, check, checkbox, checklist, checkmark, choise, con, contra, cross, decision, disagree, education, finger, handwriting, human, isolated, list, negative, no, opinion, positive, pro, problem, problems, school, shape, single, solution, success, survey, text, tickbox, vote, voting, white, word, writing, yes,