Anchor: Among its many responsibilities, OPM receives tens of thousands of federal employee claims for retirement and insurance benefits each year.
Entailed: Each year, OPM receives tens of thousands of federal employee claims. 
Contradiction: Each year, OPM receives no federal employee claims. 
Contradiction: The train sped up near towns.
Contradiction: A woman is looking at a fountain.
Contradiction: The astronomer was happy to see the boys.
Contradiction: People are near a sea port.