<|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: all data are available from the chicago metropolitan agency for planning at the following two urls: travel tracker survey: http://www.cmap.illinois.gov/data/transportation/travel-tracker-survey; land use map: https://datahub.cmap.illinois.gov/dataset/land-use-inventory-for-northeast-illinois-2005.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>