Read the following premise and answer if the hypothesis is true.
Happy Mother's Day, Love George (also known Run Stranger, Run) is a 1973 American mystery film produced and directed by Darren McGavin. The film stars Patricia Neal, Cloris Leachman, Bobby Darin, Tessa Dahl, Ron Howard, Kathie Browne, Joe Mascolo, Simon Oakland, and Thayer David.
Hypothesis: Tessa Dahl played the lead in Happy Mother's Day, Love George. 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. Tessa Dahl had a supporting role in the film.