Anchor: Combinations of the 4 symptoms for which WTP estimates are available that closely match those listed by Schwartz, et al.
Entailed: Estimates are available by the WTP.
Contradiction: The WTP no longer provides any estimates on combinations.
Contradiction: A small boy is asleep in his bed.
Contradiction: I decided to move on soon.
Contradiction: Column 8 shows the price of a McDonald's Big Mac. 
Contradiction: We had a bag for newspapers before.