<|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 c. elegans files are available from the ncbi database (accession number erx267827): http://www.ncbi.nlm.nih.gov/sra/?term=err294494 all human draft assembly genome files are available from the ncbi database: ftp://ftp-trace.ncbi.nih.gov/1000genomes/ftp/technical/working/20101201_cg_na12878/ all human reference genome hg19: http://www.ncbi.nlm.nih.gov/assembly/gcf_000001405.13/ all picea glauca files are available from the ncbi database (accession number prjna83435): http://www.ncbi.nlm.nih.gov/bioproject/83435<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>