<|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 are available from the phase ii randomized controlled trial comparing the prepex device to forceps guided surgical circumcision in zimbabwe study whose authors may be contacted through prof. mufuta tshimanga at tshimangamufuta@gmail.com.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>