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.

[EX Q]: Sentence 1: The interested reader should inquire about the possibility of additional papers in the series. Sentence 2: The reader should ask about more installments being added to the series.
[EX A]: no

[EX Q]: Sentence 1: A laborious 10-year restoration brought its gem-like beauty to light in 1999. Sentence 2: The restoration had a price of over $10 million.
[EX A]: no

[EX Q]: Sentence 1:  The concept of a professional lifeguard is unknown on Ibiza and Formentera alike; some beach bars do keep first-aid supplies. Sentence 2: There are no lifeguards at Ibiza or Formentera.
[EX A]:
yes