Anchor: Man helping passengers get on tour boat.
Entailed: There are people getting on a tour boat.
Contradiction: The tour boat is sinking.
Contradiction: Our basketball team has had a lot of success in the past, and that's because its made up of educated people.
Contradiction: A woman is sitting in a chair.
Contradiction: A good case study has selected appropriate interviewees, so no justification is needed.
Contradiction: A young boy outside.