Please choose the correct ending to complete the given sentence: Relationships: [header] How to make a grandparent happy [title] Know what your grandparent is capable of doing. [step] Depending on how old your grandparent is, he may be limited in some respects. If you would like to spend time with your grandparent, be sure to plan for activities that your grandparent can easily do.

Ending1: In addition, if your grandparent seems to have limited qualifications due to the age of your grandparent, be sure to do activities that your grandparent doesn't like. For example, your grandparent may currently enjoy reading, but could sometimes find items that need reading on a daily basis. Ending2: An older grandparent may feel more like an apprentice than an adult until he feels that he can actually do something for you. Make a list of things that your grandparent does both physically and emotionally. Ending3: [substeps] For example, if your grandparent needs to use a cane or walker to help him get around, then planning a morning walking around a local park is not a suitable idea. Your grandparent will not be able to walk for a long period of time and will need frequent rest breaks. Ending4: Examples are kayaking, dance lessons, and other outdoor activities. To ensure that there will be activities your grandparent can enjoy to be happy throughout his life, plan activities that you both can do.

Answer format: ending1/ending2/ending3/ending4