Text: A guided boat trip will also give an excellent introduction, displaying in leisurely fashion ' and with informative commentary ' sites including the Eiffel Tower, the Palais de Chaillot and Trocad??ro Gardens, the Grand and Petit Palais, the Palais Bourbon, the Louvre, Notre-Dame, and of course many of the beautiful bridges.
Entailment: The Eiffel Tower is a site that's seen during the guided boat trip.
Contradiction: Guided boats trips do not give commentary on the Eiffel Tower.