<|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: NSHD data are freely accessible to bona fide researchers by applying through the NSHD data sharing website (https://skylark.ucl.ac.uk/NSHD/doku.php).  NCDS and BCS data are freely accessible to bona fide researchers by applying through the UK Data Service (https://www.ukdataservice.ac.uk/).   https://skylark.ucl.ac.uk/NSHD/doku.php   https://www.ukdataservice.ac.uk/<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>