<|begin_of_text|><|start_header_id|>system<|end_header_id|>

You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: all the data underlying the findings in the study are not available upon request because of the legal restrictions by japanese article 33 (provision of questionnaire information) of statistics act, by the statistic bureau, ministry of internal affairs and communications. the data used in this study are conducted by the ministry of health, labour and welfare (mhlw) in japan and therefore, users of these data are strictly limited to those who have obtained official permission from the minister of health, labour and welfare. by law, it is not permitted for data-applicants to take the data out of japan. those who want to use the data for any purpose should contact the statistics and information department of the mhlw. please refer to the following url: http://www.mhlw.go.jp/toukei/sonota/chousahyo.html.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>