Question:
Based on the premise "She was answered by an anxious bray from the fourth member of the party.", can we conclude that "She was frustrated to hear the bray response. "?
****
Answer:
it is not possible to tell

Question:
Based on the premise "Many First-Class mailers do not require daily delivery and most advertising mailers do not require daily delivery.", can we conclude that "They were delivered within 24 hours no matter what."?
****
Answer:
no

Question:
Based on the premise "He also noted that any such upgrade would be a large and expensive effort, and that it was unclear when, if ever, hypertext links could be added to the Federal Register.", can we conclude that "Ugrades are a headache. "?
****
Answer:
it is not possible to tell