Read the following premise and answer if the hypothesis is true.
Denis Hale Johnson (July 1, 1949 – May 24, 2017) was an American writer best known for his short story collection "Jesus' Son" (1992) and his novel "Tree of Smoke" (2007), which won the National Book Award for Fiction. He also wrote plays, poetry, journalism, and non-fiction.
Hypothesis: Denis Hale Johnson had a son.. 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. Johnson's name does not suggest that he had a son. The given information only mentions that he was a