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: Is cDK10 a target for aberrant DNA methylation in breast cancer?
Answer: CDK10 is not a target for aberrant DNA methylation in breast cancer.

A: no
****
Q: Question: Are wedding rings a significant source of bacterial contamination following surgical scrubbing?
Answer: This preliminary study would suggest that a traditional band wedding ring is not a source of a bacterial load following a standard surgical scrub procedure and, as such, there is no requirement for their removal pre-operatively.

A: no
****
Q: Question: Are smoking , sun exposure , number of nevi and previous neoplasias risk factors for melanoma in older patients ( 60 years and over )?
Answer: Tobacco smoking is an independent risk factor for cutaneous melanoma in the elderly. Intense (both acute and chronic) sun exposure and constitutional features, such as tumor susceptibility (NMSC, non-cutaneous neoplasias, and multiple nevi) are also associated with melanoma risk. All these factors should help to better design educational campaigns in older people.

A:
yes
****