<|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: to protect the privacy of study participants, data will be made available upon request. proposals for access to plco data can be submitted to the national cancer institute cancer data access system at https://biometry.nci.nih.gov/cdas/plco/. requests will be reviewed by the cohort principal investigators and will require a data transfer agreement. interested parties should contact dr. christian abnet (abnet@nih.gov).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>