<|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: In contrast, our paper does not need long-term outcome observations in the experimental **data** but only need them in observational data. Moreover, our paper does not view short-term outcomes as proxies for the long-term outcome, so we avoid these previous surrogate criteria. Instead, we view them as proxies for unmeasured confounders to correct for confounding bias. See also discussions in Section 2.3.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

no<|eot_id|>