<|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 relevant data are within the paper and its supporting information files. locality data for the federally endangered mt graham red squirrel cannot be made publicly available. the mount graham red squirrel (tamiasciurus hudsonicus grahamensis) was listed in 1982 as a federally endangered species under the united states endangered species act of 1973. we are unable to disclose locality data that will pinpoint the nesting locations of this species. our supporting information dataset includes unique identifiers for each midden location, but we do not disclose latitudinal and longitudinal coordinates. these location data may not be requested. john koprowski, squirrel@ag.arizona.edu, may be contacted with any questions.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>