<|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 mobile phone data are received for the data for development challenge (d4d), and were open for analysis only to the registered and accepted teams, including ours. other datasets we use are publicly available. the findings presented in our work would be able to be replicated using publicly available datasets and, in addition, by asking for data access for relevant mobile phone datasets from orange telecom. the person who promised to handle the data requests is zbigniew smoreda. his contact details are provided below. zbigniew smoreda sociologue orange labs / sense fixe: +33 1 45 29 64 95 mobile: +33 6 89 09 48 77 zbigniew.smoreda@orange.com http://www.researchgate.net/profile/zbigniew_smoreda<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>