<https://types-of-diets.preptalk.nl/weight-loss-programs/keto-diet-167fJzxz3UKt>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://types-of-diets.preptalk.nl/weight-loss-programs/keto-diet-167fJzxz3UKt>