Question:
Lured by the promise of treasure galleons and stores of ammunition, some pirates worked independently; others, however, were employed by the various European crowns, particularly the British, to help carry on their power struggles in the colonial world.

Does it follow that "All pirates worked independently."?
Answer:
no

Question:
But should it?

Does it follow that "Should it?"?
Answer:
yes

Question:
The Saint-Omer decorative glazed earthenware (fa?ence) is a major feature, and the Delft collection is outstanding, not only for its celebrated blue ware but also for some exquisite polychrome pieces.

Does it follow that "The blue ware of the Delft collection is considered one of its greatest flaws."?
Answer:
no

Question:
The DPs can barely open their mouths without savaging the president.

Does it follow that "The DPs are standing against every policy the president has proposed."?
Answer:
it is not possible to tell