<|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, for approved reasons, some access restrictions apply to the data underlying the findings. all the data underlying the findings in our study cannot unfortunately be made fully freely available in the paper, supplemental files, or in a public repository. this is because the species and land cover data were received for the purposes of this study from several different sources, partly from third parties outside the institute (finnish environment institute, syke) where the study was conducted. in addition, these data provision also involved in certain cases legal agreements and restrictions due to which the data cannot be further distributed. however, in principle the data are available also to researchers upon request but such requests need to be targeted to the original providers of the data, which are the following organizations/persons: (i) butterfly species atlas data (nafi database): dr. kimmo saarinen at south karelia allergy and environment institute, lääkärintie 15, fi-55330 tiuruniemi, finland; email: kimmo. saarinen [at]allergia.fi (ii) corine 2000 land cover data: finnish environment institute; email: gistuki [at]ymparisto.fi (iii) data on the distribution and cover of the grasslands included in the national survey of valuable traditional rural biotopes: senior researcher seppo tuominen at finnish environment institute; email: seppo.tuominen [at] ymparisto.fi (iv) data on the grassland sites included in the national agri-environment scheme (aes) in finland; virva terho at ministry of agriculture and forestry; email: virva.terho [at]mmm.fi (v) the slices land cover database, compiled by the national land survey of finland; email: myynti [at]maanmittauslaitos.fi.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>