A group of people in jackets and hats are kneeling outside posing for a picture, each one with their dog by them on a leash.
A group of people are part of a dog lover's group.
Having a dog does not imply being part of a dog lover's group.
We have no idea if they are part of a dog lover's group, they could be anyone.
Just because a group of people in jackets and hats are kneeling outside posing for a picture, each one with their dog by them on a leash does not mean they are part of a dog lover's group.