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: Are diagnosis of pulmonary embolism : planar images generated from V/Q SPECT a reliable substitute for traditional planar V/Q scan?
Answer: Planar images generated from SPECT V/Q scintigraphy are not a reliable substitute for true planar V/Q images.
A:
no