<|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: because the data are still in process to transfer to a data archiving organization, the ad-hoc committee chaired by prof akizumi tsutsumi is taking care of this role. data are from the occupational cohort study on social class and health conducted in japan (japanese study of health, occupation, and psychosocial factors related equity: j-hope) whose authors may be contacted at akizumi@kitasato-u.ac.jp.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>