Anchor: Agriculture and commerce were brought up-to-date and cotton was introduced as a commercial crop.
Entailed: Cotton is one of the main crops grown in the area.
Contradiction: While cotton is one of the crops grown, it is not an important one.
Contradiction: "No, sir," Drew disagreed loudly. 
Contradiction: There are activities that have produced results.
Contradiction: Orange rhymes with everything.
Contradiction: A man and a woman wearing different colored shirts