<|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 were collected from the national consumer panel, a joint venture between iri and nielsen. access to these data requires a negotiated contract, specifying use, and terms and conditions under which the sensitive data can be made public. contacts at the respective organizations: marc tepper marc.tepper@iriworldwide.com principal & team leader strategic services group www.iriworldwide.com, grace farraj grace.farraj@nielsen.com nielsen, svp and global client service lead public development & sustainability www.nielsen.com.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>