Anchor: In the early days of the movies, before special effects, they had trouble getting off the ground.
Entailed: They had problems before special effects were created.
Contradiction: Special effects are not used in making movies.
Contradiction: the man is wearing a blue shirt.
Contradiction: At this meeting GAO will give a spoken estimate of the level of resources they require.
Contradiction: The girl is sitting in class.
Contradiction: Yes, good and low.