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 47%. For nonsmokers and are hard-working, the probability of being lactose intolerant is 88%. For smokers and are lazy, the probability of being lactose intolerant is 23%. For smokers and are hard-working, the probability of being lactose intolerant is 54%. For nonsmokers, the probability of being hard-working is 40%. For smokers, the probability of being hard-working is 61%.
text_B: Does smoking positively affect lactose intolerance through effort?
yes.