Anchor: It may require in-depth data collection dependent on sensitivity to the setting that takes time to acquire and involve extended periods for data analysis, interpretation, and reporting.
Entailed: Extended in depth data collection may be required.
Contradiction: The data can certainly be collected, analysed, and reported quickly and easily.
Contradiction: I know the idea is a natural one. 
Contradiction: "They can neither see that I work at TI or are unwilling to take any lint free paper."
Contradiction: A man riding a mountain bike in the forest.
Contradiction: I will make cauliflower, garlic bread, and green salad with tea to drink, and lemon pie for dessert.