Text: The prize pieces of this stunning collection include Piero della Francesca's San Nicola da Tolentino, Mantegna's Madonna and Child, a Botticelli Madonna, and Antonio Pollaiuolo's lovely Portrait of a Young Woman.
Entailment: Piero della Francesca's San Nicola da Tolentino is one of the prize pieces of the collection.
Contradiction: Antonio Pollaiuolo's Portrait of a Young Woman is not a member of this collection, not that it deserves to be.