Do the find the Mastiff game, playing this you will learn a lot more about the English Mastiff breed and other breeds at the same time. Become a dog expert!
Find the English Mastiff or Mastiff:
If you can recognize the dog breed just from looking at example photos, you can often also very quickly do so in real life. Find the dog or dogs that you think are English Mastiff dogs and put them on "Yes". Success!