<|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 confirm that all data underlying the findings are fully available without restriction. the data sets used in this contribution to chile's centro nacional de datos hidrogràficos y oceanogràficos, cendhoc (http://www.shoa.cl/n_cendhoc/), which is an official database for hydrographic and oceanographic data maintained by the chilean navy. since retrieval of data from this database is currently by request only, data will also be available by emailing the corresponding author fabian j tapia (ftapiaj@udec.cl).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>