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 high exam score is 23%. For students who are not encouraged and study hard, the probability of high exam score is 52%. For students who are encouraged and do not study hard, the probability of high exam score is 57%. For students who are encouraged and study hard, the probability of high exam score is 83%. For students who are not encouraged, the probability of studying hard is 7%. For students who are encouraged, the probability of studying hard is 68%.
text_B: Does encouragement level negatively affect exam score through studying habit?
no.