Tools for building a dog kennel is a mixed list of different supplies, so format B fits: a supply list.”Dog Kennel Building Tools: 8 Must-Have Items” is a candidate, but format B suggests “{Topic} Supply List” or “What You Need for…”.Option: “What You Need to Build a Dog Kennel: 8 Tools”. Count: “What You Need to Build a Dog Kennel: 8 Tools” is 44 characters, which is under 45.Option: “Dog Kennel Building Tools: 8 Must-Have Items” is 44 characters, which is also under 45.Option: “Outdoor Dog Kennel Building Tools: 8 Must-Have Items” counts to 52 characters, which fits.Outdoor Dog Kennel Building Tools: 8 Must-Have Items
