Ключевые слова: abnormal, alphabet, atypical, background, banner, case, choice, comparison, condition, data, discover, disease, distinctive, event, exceptional, extraordinary, extreme, few, found, grass, green, happening, incomparable, information, infrequent, letter, occasional, outstanding, possibility, rare, rate, record, remarkable, scarce, singular, situation, special, sporadic, status, strange, superb, uncommon, unequal, unique, unlikely, unusual, very, word,