With no explanation, label text_A→text_B with either "no" or "yes".
text_A: For nonsmokers, the probability of high tar deposit is 63%. For smokers, the probability of high tar deposit is 26%. For nonsmokers and with no tar deposit, the probability of freckles is 61%. For nonsmokers and with high tar deposit, the probability of freckles is 27%. For smokers and with no tar deposit, the probability of freckles is 44%. For smokers and with high tar deposit, the probability of freckles is 14%. The overall probability of smoking is 21%.
text_B: Does smoking positively affect freckles through tar deposit?
yes.