<|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: all cyp79f1 sequence files from brassica juncea cv. varuna and brassica nigra are available from the national center for biotechnology information genbank database (accession numbers kt254222 and kt254223). all other relevant data are within the paper and its supporting information files.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>