<|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: the field data sets used in this paper are provided as supporting information files. legal restrictions prevent authors from depositing the sar data set publicly, as they are owned by dlr. readers can obtain this data in the same manner as the authors from the german space agency. contact: irena hajnsek and thomas busche (tandemx-science@dlr.de).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>