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 13%. For nonsmokers and are hard-working, the probability of being lactose intolerant is 96%. For smokers and are lazy, the probability of being lactose intolerant is 3%. For smokers and are hard-working, the probability of being lactose intolerant is 69%. For nonsmokers, the probability of being hard-working is 64%. For smokers, the probability of being hard-working is 49%.
text_B: If we disregard the mediation effect through effort, would smoking positively affect lactose intolerance?
no.