<|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 cuban sequences are available at the los alamos hiv sequence database (www.hiv.lanl.gov). the leuven sequences are available from the genbank database (accession numbers kj936912, kj936913, kj936914, kj936915, kj936916, kj936917, kj936918, kj936919, kj936920, kj936921, kj936922, kj936923, kj936924, kj936925).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>