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 71%. For normal weight people and with diabetes, the probability of long lifespan is 46%. For obese people and without diabetes, the probability of long lifespan is 40%. For obese people and with diabetes, the probability of long lifespan is 22%. For normal weight people and nonsmokers, the probability of having diabetes is 49%. For normal weight people and smokers, the probability of having diabetes is 55%. For obese people and nonsmokers, the probability of having diabetes is 94%. For obese people and smokers, the probability of having diabetes is 76%. The overall probability of smoker is 52%.
text_B: If we disregard the mediation effect through diabetes, would obesity positively affect lifespan?
no.