With no explanation, label text_A→text_B with either "no" or "yes".
text_A: For normal weight people and without diabetes, the probability of long lifespan is 74%. For normal weight people and with diabetes, the probability of long lifespan is 50%. For obese people and without diabetes, the probability of long lifespan is 52%. For obese people and with diabetes, the probability of long lifespan is 20%. For normal weight people and nonsmokers, the probability of having diabetes is 31%. For normal weight people and smokers, the probability of having diabetes is 20%. For obese people and nonsmokers, the probability of having diabetes is 53%. For obese people and smokers, the probability of having diabetes is 59%. The overall probability of smoker is 13%.
text_B: If we disregard the mediation effect through diabetes, would obesity positively affect lifespan?
no.