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.

Ex Input:
Question: Does nonoperative immediate weightbearing of minimally displaced lateral compression sacral fractures result in displacement?
Answer: : Immediate weightbearing, tempered by patient comfort, is a safe and acceptable treatment for minimally displaced LC sacral fractures and results in union with minimal additional displacement.

Ex Output:
no


Ex Input:
Question: Is acinetobacter baumannii infection in prior ICU bed occupants an independent risk factor for subsequent cases of ventilator-associated pneumonia?
Answer: ICU admission or the hospitalization of patients infected by Acinetobacter baumannii increases the risk of AbVAP by subsequent patients.

Ex Output:
yes


Ex Input:
Question: Is incidence of Type 1 Diabetes Increasing in a Population-Based Cohort in Olmsted County , Minnesota , USA?
Answer: The incidence of T1D has stopped increasing in Olmsted County, Minnesota, in the most recent decade. Further studies are needed to confirm this finding and explore reasons for this plateau.

Ex Output:

no