<|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: landsat imagery is available, open source, from the usgs glovis website (http://glovis.usgs.gov/). fenceline shapefile data used in this manuscript is available by inquiry from the department of environment, water and natural resources, south australian government, australia. government restrictions may apply with accessing this data, and may require the signing of a contract. to obtain this data, please contact chris turner (chris.turner@sa.gov.au).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>