Anchor: Each floor is supported on columns diminishing from 84 at ground-level to four on the roof.
Entailed: The floors are distinguishable because of the columns.
Contradiction: The floors are not distinguishable at all.
Contradiction: Sounds unappealing. 
Contradiction: A man prepared ice cream for a customer.
Contradiction: There is a woman playing baseball.
Contradiction: Two fat persons are found eating in the street