With no explanation, label text_A→text_B with either "no" or "yes".
text_A: The overall probability of having a brother is 30%. For infants who do not have a brother, the probability of normal infant birth weight is 28%. For infants who have a brother, the probability of normal infant birth weight is 58%.
text_B: Is normal infant birth weight less likely than low infant birth weight overall?
yes.