<|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: ndvi data have been uploaded as a supporting information file. the climate data was provided by the china meteorological administration. the data is available after registration on their website (cdc.cma.gov.cn). or the authors can also contact the china meteorological administration on behalf of interested researchers. please contact dr. tianyi zhang (zhangty@mail.iap.ac.cn).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>