[{'role': 'user', 'content': "Analyze the following clause from a privacy policy and determine if it's fair or unfair. Also identify any privacy practices mentioned: When you provide us with contact details, such as when you purchase a product, contact our customer support call centres or create an account for one of our services, you may be given the opportunity to opt-in to (or in certain cases where applicable law allows, opt-out of) receiving various newsletters and other communications from Sony Mobile and/or other Sony group companies. These communications may include, for instance, details about the latest Sony products and services, including upgrades and special offers in which you may be interested."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_1stParty.'}]