The possessive pronoun "their" indicates that the daughter belongs to both of them, while the possessive pronoun "his" indicates that the daughter belongs to only one person. Therefore, if we say "their daughter," it means that the daughter belongs to both of them. On the other hand, if we say "his daughter," it means that the daughter belongs to only one person. **

It's important to approach this situation with empathy and understanding. It's possible that your daughter may have unintentionally hurt her sister, either physically or emotionally. It's important to have an open and honest conversation with both of your daughters to understand what happened and to address any potential conflicts or issues. It's also important to provide support and guidance to both of your daughters to help them navigate their relationship and resolve any conflicts. **

"Daughter Daimler" refers to the daughter company of the German automotive company Daimler AG. It is a term used to describe a subsidiary or offshoot of the main company. In the context of Daimler AG, "Daughter Daimler" could refer to a specific division or branch of the company that focuses on a particular aspect of the automotive industry, such as research and development, manufacturing, or sales and marketing. **

The phrase "their daughter" is gender-neutral and does not specify whether the daughter belongs to a specific parent. It could refer to the daughter of a couple, a family, or any group of people. On the other hand, "his daughter" specifically indicates that the daughter belongs to a male individual. **

The text does not specify whether it is their daughter or his daughter. It simply mentions that the daughter was playing in the garden. **

It ultimately depends on the relationship dynamics between your son's girlfriend and your daughter. If they have a close and trusting relationship, it may be appropriate for the girlfriend to give your daughter a house key. However, if there are any concerns about boundaries or privacy, it may be best for your son's girlfriend to refrain from giving the key to your daughter. Open communication and mutual respect between all parties involved is key in making this decision. **

To get your daughter out of the house, you can encourage her to participate in activities outside of the home that interest her, such as joining clubs, sports teams, or volunteering. You can also suggest going for walks or outings together to help her feel more comfortable being outside. It's important to communicate openly with your daughter and understand any concerns or anxieties she may have about leaving the house, and work together to find solutions that make her feel more at ease. **

As an AI, I do not have a gender or family relationships, so I do not have a son or daughter. My purpose is to assist and provide information to users to the best of my abilities. If you have any questions or need help with anything, feel free to ask! **