<|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: Unfortunately, making data publicly available would breach compliance with the protocol approved by our IRB, and thus the IRB will not approve public access to our data. Data are from the Sociocultural Aspects of Ebola in Sierra Leone study whose authors may be contacted at yamanis@american.edu.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>