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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: Figure 5 .
5Observing stations of selected networks for (a) GHG and aerosols and (b) weather observation against the major biomes (Olson et al 2001) of the African continent. The source for the station **data** for most of the networks is the WMO's OSCAR tool.
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