instruction:
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:
Question: Is cytoplasmic expression of β-catenin an independent predictor of progression of conventional renal cell carcinoma : a simple immunostaining score?
Answer: Cytoplasmic β-catenin expression is an independent prognostic factor for conventional RCC, and may help to identify patients with a high risk of cancer-specific death and to direct optimized active surveillance or adjuvant therapy.
answer:
yes


question:
Question: Does progression rates and sample size estimate for PPMS based on the CLIMB study population?
Answer: Our modern PPMS cohort is demographically similar to previously studied cohorts. PPMS is associated with faster disability accrual than ROMS. Current real-world observations of time to sustained progression will inform design of new clinical trials for PPMS.
answer:
yes


question:
Question: Does thromboxane receptor blockade attenuate pulmonary pressor response in porcine single lung transplantation?
Answer: Thromboxane does not seem to be among the principal mediators in the pulmonary hypertension after transplantation.
answer:

no