<|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 underlying the findings of our study will be made freely available. data was obtained from various third parties, specifically fishing organizations/angling clubs responsible for holding individual angling events. data will be made available upon request by contacting: olaf weyl, principal scientist, south african institute for aquatic biodiversity, email: o.weyl@saiab.ac.za<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>