Problem: Does "A material breach may also be invoked as grounds for permanently terminating the treaty itself." answer the question "Who may invoke a material breach committed by a party to a treaty to suspend their obligations to that party?"

A: no

Problem: Does "The term "great power" was first used to represent the most important powers in Europe during the post-Napoleonic era." answer the question "What is another more modern term used in place of "great power"?"

A: no

Problem: Does "However, the composer and his family used the birthdate 1 March,[n 2] which is now generally accepted as the correct date." answer the question "What birth date is now considered correct for Chopin?"

A:
yes