<|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: data from study 1 are freely available and included in table 1. however, publicly releasing the detailed information from study 2s dataset presents a risk to participant confidentially and may constitute a privacy violation for study participants. data will therefore be available upon request to qualified investigators by contacting the corresponding author, dr. karen parker (kjparker@stanford.edu).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>