<|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. mitochondrial sequence data are available at ddbj under accession numbers ab671778ab672105, ab836669ab836680, and ab981362ab981369. additional genbank accession numbers for the museum specimens include kp117071, kp117072, kp117073, and kp117074. the coi and four-gene mitochondrial data (analysis and resulting tree files) are available on the nhm data portal: http://dx.doi.org/10.5519/0059186.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>