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 which has extra information available on certain terms mentioned in it, i.e., the proper nouns in the passage. Your job is to determine whether information from more than one term is needed to answer the question. Indicate your choice as 'a' for Yes or 'b' for No.

Question: When was the town where Gonzalez-Torres was born found? Passage:Gonzalez-Torres was born in Guaimaro, Cuba. In 1957, he and his sister Gloria were sent to Madrid where they stayed in an orphanage until settling in Puerto Rico with relatives the same year. Gonzalez-Torres graduated from Colegio San Jorge in 1976 and began his art studies at the University of Puerto Rico in San Juan while actively participating in the local art scene. He moved to New York City in 1979 with a study fellowship. The following year he participated in the Whitney Independent Study Program where his development as an artist was profoundly influenced by his introduction to critical theory. He attended the program a second time in 1983, the year he received a BFA in photography from the Pratt Institute of Art. In 1986, Gonzalez-Torres traveled to Europe and studied in Venice. In 1987 he was awarded the degree of Master of Fine Arts by the International Center of Photography and New York University. Subsequently he taught at New York University and briefly at the California Institute of the Arts in Valencia. In 1992 Gonzalez-Torres was granted a DAAD fellowship to work in Berlin, and in 1993 a fellowship from the National Endowment for the Arts.

Output:
b