Given a passage with a question and an answer to that question, classify if the answer actually answers the question into 'yes' or 'no'. Output 'yes' if the answer answers the question and output 'no' if the answer does not answer the question.

Question: Do cell-cycle markers improve discrimination of EORTC and CUETO risk models in predicting recurrence and progression of non-muscle-invasive high-grade bladder cancer?
Answer: Markers were not significant predictors of recurrence nor progression in patients with high-grade NMIBC and their addition to prediction models is of little benefit.
no