<|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: this study was based on literature review of published studies in the country. anyone who needs to access the data can contact the author concerning the studies included in the analysis. the reference list can also be used to directly access the articles.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>