TASK DEFINITION: This task is reading a paragraph and determining if it has proper nouns in it or not. A proper noun is a noun that designates a particular being or thing, does not take a limiting modifier, and is usually capitalized in English. The answer is true if at least one proper noun is present in the sentence, false otherwise.
PROBLEM: produced the block books, which were the immediate predecessors of the true printed book,

SOLUTION: False

PROBLEM: They printed very few books in this type, three only; but in their very first books in Rome, beginning with the year 1468,

SOLUTION: True

PROBLEM: the earliest book printed with movable types, the Gutenberg, or "forty-two line Bible" of about 1455,

SOLUTION:
True