<|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: MR image data and demographic information are available upon request for academic purposes from qualified researchers. Investigators interested in accessing these data are required to complete a data sharing agreement available on request by emailing CalgaryNormStudy@ucalgary.ca.  This brief, two-page form, requests a brief description of the study objectives and intended purpose, a list of MR sequences of interest, required medical information, and demographic information.  The sharing agreement also requires that the study requesting data has approval from the appropriate REB.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>