Sorry, there seems to be no ready-made riddle about "using this whole poem as a riddle or answer". Just do a search.
The following is for reference:
Old friends frequently waved to me, bid farewell to the Yellow Crane Tower, and traveled to Yangzhou in this beautiful spring filled with catkins and flowers. My friend's sail shadow faded away and disappeared at the end of the blue sky, only seeing the first line of the Yangtze River and heading for the distant horizon.
Type 2 words and say 3 groups. That is 2+2+2.
Answer: Free, but absolutely (sentence: free/absolutely). Bai, Li Bai; However, Meng Haoran; Say absolutely, say absolutely)