<|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: ethical and legal restrictions prevent public sharing of data. data requests may be sent to boyer ginette, chair on community approach and health inequality (cacis) of the university of montreal coordinator, http://chairecacis.org/nous-joindre.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>