Ключевые слова: action, analysis, answer, ask, background, business, cause, conclusion, data, decision, education, explain, explanation, feedback, help, important, information, investigate, investigation, justification, know, knowledge, learning, lightbox, logic, love, management, message, problem, purpose, query, question, rational, reason, reply, risk, science, sign, strategy, studying, success, support, symbol, teach, think, why, wonder, wood, word,