sentence: People sometimes get tattoos to show that they belong to a gang or culture group.
sentences_before: A 'tattoo' is a permanent mark made by putting ink into the skin. Tattoos may be made on human or animal skin. Tattoos on humans are a type of body modification, but tattoos on animals are most often used for identification.
concept_name: People
headings: Tattoo
categories: Dermatology Body art