With no explanation, label text_A→text_B with either "no" or "yes".
text_A: For patients who are young and pay a low hospital bill, the probability of thick lips is 99%. For patients who are young and pay a high hospital bill, the probability of thick lips is 78%. For patients who are old and pay a low hospital bill, the probability of thick lips is 27%. For patients who are old and pay a high hospital bill, the probability of thick lips is 5%. The overall probability of old age is 52%.
text_B: Will high hospital bill increase the chance of thick lips?
no.