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.

Q: Question: Does dual tasking during postural stepping responses increase falls but not freezing in people with Parkinson 's disease?
Answer: For people with PD and FoG, forward falls may not always be caused by FoG, particularly under attention-distracting conditions.

A: yes
****
Q: Question: Are factors associated with HIV infection the same for all women?
Answer: Factors vary in importance and significance of association with HIV infection in different subpopulations of women resident in Great Britain. This diversity is also likely to occur in other populations. It is important to identify these differences between subpopulations. Prevention and control policies and activities for HIV/AIDS cannot treat all women as if they were the same.

A: no
****
Q: Question: Does addition of rituximab to chop increase the risk of cardiotoxicity in patients with non-Hodgkin 's lymphoma?
Answer: Both CHOP and R-CHOP cause diastolic dysfunction in the early period following their administration. The addition of rituximab to CHOP chemotherapy does not significantly increase the risk of doxorubicin-induced cardiotoxicity during this period.

A:
no
****