With no explanation, label text_A→text_B with either "no" or "yes".
text_A: For those who choose to take the stairs and penguins who are sad, the probability of large feet is 15%. For those who choose to take the stairs and penguins who are happy, the probability of large feet is 58%. For those who choose to take the elevator and penguins who are sad, the probability of large feet is 30%. For those who choose to take the elevator and penguins who are happy, the probability of large feet is 73%. For those who choose to take the stairs, the probability of penguin happiness is 90%. For those who choose to take the elevator, the probability of penguin happiness is 46%.
text_B: Does my decision positively affect foot size through penguin mood?
no.