Codeless question: Give an algorithm for finding an ordered word pair (e.g., “New York”) occurring with the greatest frequency in a given webpage. Which data structures would you use? — You could use a hash table, creating or updating an entry for each pair. Keep track of max_frequency and most_frequent_phrase. Just increment the count, and when you see the new count is > than max_frequency, update max_frequency and most_frequent_phrase