<|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: the data policy agreement between usaid and phfi restricts us from making the basic data set publically available. however, the readers may contact dr. ravi prakash and dr. ashok agarwal (ravi.prakash@phfi.org; ashok.agarwal@phfi.org) at public health foundation of india (https://www.phfi.org) to request the data. we confirm that the data will be available upon request to all interested researchers.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>