Anchor: In order to estimate ozone-related health and welfare effects for the eastern U.S., fullseason ozone data are required for every CAPMS grid-cell.
Entailed: To estimate ozone effects in eastern us, full season data is required for every CPMS grid cell 
Contradiction: No data is needed to see the effects of ozone on the us
Contradiction: An orchestra plays Beethoven.
Contradiction: children sitting on a rock in the hot sun
Contradiction: The woman and child are in bed.
Contradiction: Firemen doing their job.