- text: Jack and Jill went up the hill.
  spans:
    - text: Jack
      is_entity: true
      label: PERSON
      reason: is the name of a person
    - text: Jill
      is_entity: true
      label: PERSON
      reason: is the name of a person
    - text: went up
      is_entity: false
      label: ==NONE==
      reason: is a verb
    - text: hill
      is_entity: true
      label: LOCATION
      reason: is a location
