<|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: Our dataset is not open access to ensure anonymity of parent study participants who are (closely) socially connected to the study‚Äôs authors and may be re-identified through this study's underpinning data. This is in keeping with standards for consent set forth by the ethics approval granted for this study. Requests for further information about data availability can be made to ethics@ucl.ac.uk.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>