Anchor: In most instances, the observer is the senior investigator and the only  Margaret Mead in Samoa and Oscar Lewis in Puerto Rico are famous examples.
Entailed: The observer is a senior investigator.
Contradiction: The observer is a brief observer.
Contradiction: The man and boy are inside watching a movie.
Contradiction: You know, he can take a sandwich whenever.
Contradiction: The boom and bust cycle is preferable to predictable demand for such jobs.
Contradiction: There is a human capital sample report.