<|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: all data are deriven from the book ñyellow river water conservancy commission, ministry of water conservancy and electric power, prc (1961_1971). observed data of rainfall, runoff and sediment in the zizhou experimental office over the period 1959_1969.î, which is available on application at http://loess.geodata.cn/portal/metadata/listmetadata.jsp?category=1160. thanks to the data sharing infrastructure of earth system sciencedata sharing infrastructure of loess plateau for providing the data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>