<|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: it is not possible to share the data for many reasons, including ethical issues and as it was not discussed/agreed with participants and funding organisations during the planning of study that data will be shared. data are available from the medical research council institutional data access/ethics committee for researchers who meet the criteria for access to confidential data. applications for the data should be directed to the alcohol, tobacco and other drug research unit (atod). requests for data must be sent to professor charles parry at charles.parry@mrc.ac.za.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>