Anchor: On 9 December 1990, Poles made Lech Walesa the first popularly elected president in post-World War II Poland, a watershed event for the Soviet bloc of nations.
Entailed: Lech Walesa became the first elected president in post-World War II Poland.
Contradiction: The Soviet bloc of nations had gotten used to elections by 1990.
Contradiction: The man is standing in a field.
Contradiction: A man is examining a flower.
Contradiction: Sights outside the city are inaccessible to all. 
Contradiction: Screening currently isn't considered a clinical tool.