<|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: There are ethical restrictions on sharing the de-identified data set related to this study, because ‚Äì due to their qualitative nature ‚Äì data contain potentially sensitive information that may allow identification of the study participants. Data requests (for only portions of the data set) may be directed to the Ethics Committee of the Canton of Ticino (Tel.: +41 91 814 30 57, email: dss-ce@ti.ch).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>