Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to choose a dog fence for your yard [title] Check local fencing regulations. [step] Your community may have laws about the materials and sizes allowed for residential fences. Don't rely on a fencing company to know the regulations.

Ending1: Contact your town hall for specific by-laws and regulations for your area. Breaking them may result in fines and the requirement to remove your fence. Ending2: [substeps] Some communities will allow chain enforcers to use fence fencing as their priority in order to protect potential owners. [title] Decide if a dog fence will act as a permanent or temporary solution. Ending3: Of course, many commercial urban fences come with regulations in place. You need to stay in mind these rules, as each construction company will have restrictions on what kind of contact is allowed on a property fence. Ending4: Most defensive dogs can successfully fence straight through homes, but if your friend has a shared space it may be a good idea to check local regulations. [substeps] Fenced-in fences are easy to create in a group and must be under 9 feet (1.2 m) high.

Answer format: ending1/ending2/ending3/ending4