<|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: restrictions imposed by the research ethics and governance committee of the school of psychology in relation to participant consent and approved research protocols prevent public deposition of the data. data are available upon request from dr. richard ramsey (r.ramsey@bangor.ac.uk).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>