Anchor: For  1) Little is known about the relative costs of flats and parcels in Priority and Express Mail.
Entailed: Priority and Express mail costs for flats and parcels is not really known.
Contradiction: There is a lot of information, including details on comparing costs of Priority and Express Mail flats and parcels.
Contradiction: I didn't learn anything here.
Contradiction: The man is looking at water.
Contradiction: Specifically seek out the ones with plastic linings.
Contradiction: The actual Los Angeles differs from how the world sees it.