Detailed Instructions: Indicate a text span in the passage about which an inquisitive question is asked. (note, don't answer the question).
Problem:Sentence: RJR Nabisco Inc . is disbanding its division responsible for buying network advertising time , just a month after moving 11 of the group ' s 14 employees to New York from Atlanta .<sep>Question: Why is Nabisco disbanding that division?
Solution:
disbanding its division