Anchor: This uncertainty is reflected in contractor estimates that more than 50 percent of the time charged to build the initial production missiles will be for engineering activities.
Entailed: The contractor estimates that engineering activities will take up more than half of the time charged for initial production.
Contradiction: Engineering activities are not included in the initial production.
Contradiction: The ad was blunt in saying they were not worthy. 
Contradiction: the man has no shirt
Contradiction: It is so hard now I can't even imagine it getting worse.
Contradiction: She was my first one that I got and she told me all her troubles.