With no explanation, label text_A→text_B with either "no" or "yes".
text_A: For nonsmokers, the probability of high tar deposit is 70%. For smokers, the probability of high tar deposit is 19%. For nonsmokers and with no tar deposit, the probability of freckles is 65%. For nonsmokers and with high tar deposit, the probability of freckles is 33%. For smokers and with no tar deposit, the probability of freckles is 66%. For smokers and with high tar deposit, the probability of freckles is 34%. The overall probability of smoking is 56%.
text_B: Does smoking positively affect freckles through tar deposit?
yes.