Teacher: In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to determine if the two sentences clearly agree/disagree with each other, or if this can't be determined. Indicate your answer as yes or no respectively.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Sentence 1: Next to the MGM Grand you will find M and M World. Sentence 2: The candy has many fans who love its attractions.
Solution: no
Reason: It is not clear that M and M world is popular.

Now, solve this instance: Sentence 1: The system is the UPC or in the case of books a EAN/ISBN number that when a book is scanned by a retailer identifies the book, format, suggested price point, genre, etc. --Tom Fogarty, Soundscan executive in charge of Bookscan. Sentence 2: Tom Fogarty does not believe that UPC is used in the retail sphere.
Student:
yes