You will be given a definition of a task first, then some input of the task.
In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as 'a' for Yes or 'b' for No.

Question: What country was Vespignani a professor in? Passage:In 1869, he became the main architect of the Basilica of Saint Paul Outside the Walls. He was professor of architecture at the Academy of Saint Luke, and became president of the institution. He served on many boards and honorary memberships. He helped restore the Papal palace in Anzio. He helped design the layout of the Cemetery of Rome (Campo Verano). He helped design the Palazzo of monsignor Ferrari in Ceprano, the church of Santa Maria in Capranica, and the Palace of Marchese Chino Ferrari in Ceprano. He helped design the New Theaters of Orvieto and of Viterbo. He was responsible for organizing pyrotechnic spectacles and stagepieces for festivals in Castel Sant' Angelo He worked on the restoration of San Lorenzo in Damaso. He has been awarded as knight of the Order of San Silvestro, and that of the Order of Christ of Portugal, or the order of San Gregorio. He receive the Order of the Guadalupe of Mexico, a medal from Emperor Franz Joseph of Austria, Charles the third of Spain. In 1855 the municipality of Rome conferred him a gold medal, for his work during a cholera epidemic.

Output:
a