<|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 on COVID-19 deaths were provided by the New York Times and are publicly available: https://github.com/nytimes/covid-19-data/  Data on social-distancing metrics were provided under a Data Use Agreement by SafeGraph and are available by contacting SafeGraph directly: https://www.safegraph.com/dashboard/covid19-shelter-in-place   https://github.com/nytimes/covid-19-data/   https://www.safegraph.com<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>