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: Who were the top players on the team that PAOK defeated in the semi-final in the 1971 - 72 Greek Cup? Passage:The first domestic title PAOK won, was the 197172 Greek Cup. PAOK eliminated Pierikos, Aias Salamina, local rivals Aris in the quarter-finals with a 21 victory at Kleanthis Vikelidis Stadium and progressed to the final with their semi-final victory over Lamia. This time PAOK would face league champions Panathinaikos who also reached the 1971 European Cup Final. The final was played once again in Athens at Georgios Karaiskakis Stadium. PAOK players had 10,000 fans on their side and they vowed that it was about time to return with the trophy at Thessaloniki. It was the sixth final for the Double-Headed Eagle of the North and the fifth time that they traveled to Athens for the trophy match. PAOK won the game 21 with Koudas scoring both goals. In the second half, a magnificent bicycle kick of Matzourakis found the net, but the goal was surprisingly disallowed by referee Michas. PAOK triumph and 1st Greek Cup title was widely celebrated by the fans at Thessaloniki.

Output:
b