<|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: The numerical experiments presented in this work were run with a fork of the enzo code avail-able from https://bitbucket.org/john regan/enzo-3.0-rp, in particular change set d11330f. This al-tered version of enzo also requires an altered version of the grackle cooling library, available from https://bitbucket.org/john regan/grackle-cversion, particularly change set d8df240.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>