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 20%. For those who choose to take the stairs and penguins who are happy, the probability of large feet is 62%. For those who choose to take the elevator and penguins who are sad, the probability of large feet is 35%. For those who choose to take the elevator and penguins who are happy, the probability of large feet is 78%. For those who choose to take the stairs, the probability of penguin happiness is 82%. For those who choose to take the elevator, the probability of penguin happiness is 45%.
text_B: Does my decision positively affect foot size through penguin mood?
no.