With no explanation, label text_A→text_B with either "no" or "yes".
text_A: For infants with nonsmoking mothers and low infant birth weight, the probability of high infant mortality is 53%. For infants with nonsmoking mothers and normal infant birth weight, the probability of high infant mortality is 83%. For infants with smoking mothers and low infant birth weight, the probability of high infant mortality is 20%. For infants with smoking mothers and normal infant birth weight, the probability of high infant mortality is 45%. For infants with nonsmoking mothers and with poor health, the probability of normal infant birth weight is 43%. For infants with nonsmoking mothers and with good health, the probability of normal infant birth weight is 16%. For infants with smoking mothers and with poor health, the probability of normal infant birth weight is 68%. For infants with smoking mothers and with good health, the probability of normal infant birth weight is 41%. The overall probability of good health is 7%.
text_B: Does maternal smoking status negatively affect infant mortality through infant's birth weight?
no.