Problem: Does "On an 1829 return trip to Berlin, he was a guest of Prince Antoni Radziwi, governor of the Grand Duchy of Posenhimself an accomplished composer and aspiring cellist." answer the question "Which opera director did Frederic see works of during his stay in Berlin?"

A: no

Problem: Does "While corrupt societies may have formal legislation to protect the environment, it cannot be enforced if officials can easily be bribed." answer the question "Formal legislation cannot be regulated when officials are what?"

A: yes

Problem: Does "In addition, the company created an alternate universe imprint, Ultimate Marvel, that allowed the company to reboot its major titles by revising and updating its characters to introduce to a new generation." answer the question "What was the first book published under this new ratings system?"

A:
no