<|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: data may be accessed by contacting the swedish national data service with direct links (http://snd.gu.se/en/catalogue/study ext0140; http://snd.gu.se/en/catalogue/study/ext0141). these links show the titles of the data bases and below these titles an order box can be clicked, leading to a small form to be completed for requesting the data files. this request will then be forwarded to the responsible data base holder who will provide the reader with the requested data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>