Anchor: It's relatively expensive, but you may prefer the absence of commentary.
Entailed: The absence of commentary costs more.
Contradiction: The absence of commentary is not expensive.
Contradiction: Several people are standing on seats near a large table with foods.
Contradiction: A woman is walking.
Contradiction: These strategies should not be used if the department wishes to share knowledge. 
Contradiction: A woman with blonde hair, passing out t-shirts.