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 39%. For nonsmokers and are hard-working, the probability of being lactose intolerant is 69%. For smokers and are lazy, the probability of being lactose intolerant is 46%. For smokers and are hard-working, the probability of being lactose intolerant is 74%. For nonsmokers, the probability of being hard-working is 72%. For smokers, the probability of being hard-working is 16%.
text_B: Does smoking positively affect lactose intolerance through effort?
no.