<|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 final data product is available through the nis data portal (https://portal.lternet.edu) as doi:10.5072/fk2/dfc5e9748c8df4c3c275eab0f42d9744. the gridded input data at the 8 km resolution for the midwest subdomain are available through the nis data portal as doi:10.5072/fk2/e9c144ab83af70e29b8d6647aaae58f5. the township input data for the eastern subdomain are available through the nis data portal as doi:10.5072/fk2/4d44aebe71dbf65290d8ce1bde03598b and doi:10.5072/fk2/88e167487b22d5f657e7ce7e033772e1.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>