With no explanation, label text_A→text_B with either "no" or "yes".
text_A: For nonsmokers and are lazy, the probability of being lactose intolerant is 38%. For nonsmokers and are hard-working, the probability of being lactose intolerant is 87%. For smokers and are lazy, the probability of being lactose intolerant is 2%. For smokers and are hard-working, the probability of being lactose intolerant is 52%. For nonsmokers, the probability of being hard-working is 41%. For smokers, the probability of being hard-working is 92%.
text_B: Does smoking positively affect lactose intolerance through effort?
yes.