<|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 authors confirm that all data underlying the findings are fully available without restriction. we used the data for our analysis form the public repository - the cancer genome atlas (tcga) data portal https://tcga-data.nci.nih.gov/tcga/. this provides a platform for researchers to search, download, and analyze data sets generated by tcga. it contains clinical information, genomic characterization data, and high level sequence analysis of the tumor genomes.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>