With no explanation, label text_A→text_B with either "no" or "yes".
text_A: For people served by a local water company, the probability of cholera contraction is 83%. For people served by a global water company, the probability of cholera contraction is 75%. For people served by a local water company, the probability of clean water is 21%. For people served by a global water company, the probability of clean water is 52%.
text_B: Will clean water increase the chance of cholera contraction?
no.