<|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 authors included summary tables of data, including space use, road crossing, movements of red squirrels and abert's squirrels. however, coordinate of locations of mt. graham red squirrels is removed due to sensitivity of endangered species. data requests can be sent to: hsiang ling chen hchen@mail.sdsu.edu.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>