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|context> => |context: friends>

supported-ops |Fred> => |op: friends>
friends |Fred> => |Jack> + |Harry> + |Ed> + |Mary> + |Rob> + |Patrick> + |Emma> + |Charlie>

supported-ops |Sam> => |op: friends>
friends |Sam> => |Charlie> + |George> + |Emma> + |Jack> + |Rober> + |Frank> + |Julie>
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