Read the following premise and answer if the hypothesis is true.
Jonathan Williams (March 8, 1929 – March 16, 2008) was an American poet, publisher, essayist, and photographer. He is known as the founder of "The Jargon Society", which has published poetry, experimental fiction, photography, and folk art since 1951.
Hypothesis: Jonathan Williams published twenty five poems. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
It's impossible to say
It's impossible to say based on the given information.