What is the fine-grained topic of the following text: Special conditions for children: when sharing a double room with their parents, they stay at the hotel free of charge if up to 6 years old (born after 15.06.20103) or have a 50% discount when aged between 6 and 12 (born after 15.06.2007). Only return the topic.
Hotel's special conditions and discounts for children sharing room with parents