With no explanation, label text_A→text_B with either "no" or "yes".
text_A: For people with no pre-conditions and do not have a brother, the probability of recovering from the disease is 89%. For people with no pre-conditions and have a brother, the probability of recovering from the disease is 79%. For people with pre-conditions and do not have a brother, the probability of recovering from the disease is 22%. For people with pre-conditions and have a brother, the probability of recovering from the disease is 15%. The overall probability of pre-conditions is 54%.
text_B: Will having a brother decrease the chance of recovering from the disease?
yes.