With no explanation, label text_A→text_B with either "no" or "yes".
text_A: For patients who are not male and do not have a brother, the probability of recovery is 1%. For patients who are not male and have a brother, the probability of recovery is 21%. For patients who are male and do not have a brother, the probability of recovery is 71%. For patients who are male and have a brother, the probability of recovery is 90%. The overall probability of male gender is 50%.
text_B: Will having a brother increase the chance of recovery?
yes.