<|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: some legal access restrictions apply to the data underlying the findings. all the carbon data used in this study comes from the partnership between state institute of forests (ief) and federal university of lavras (ufla). this partnership enabled the performing of the project "forest inventory of minas gerais", with the agreement signed between ief and ufla of number 076/2003 ufla - ief, process number 23090/000052/2003-51. all information related to the project, such as publications and average timber volume for the minas gerais state, can be found at http://www.inventarioflorestal.mg.gov.br/. ief holds the data and data are available upon request by contacting dr josé roberto scolforo (email jscolforo@ufla.dcf.br).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>