With no explanation, label text_A→text_B with either "no" or "yes".
text_A: For students who are not encouraged and do not study hard, the probability of brown eyes is 86%. For students who are not encouraged and study hard, the probability of brown eyes is 58%. For students who are encouraged and do not study hard, the probability of brown eyes is 60%. For students who are encouraged and study hard, the probability of brown eyes is 31%. For students who are not encouraged, the probability of studying hard is 92%. For students who are encouraged, the probability of studying hard is 54%.
text_B: Does encouragement level negatively affect brown eyes through studying habit?
no.