Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Ken Nakamura:  Most of the FBI Agents showed up and started telling us how to handle our organized crime problem . Booth said nothing . _ Two _ , three days , just listening .
Dr. Temperance 'Bones' Brennan: He was quiet ? That that does not sound like Booth .
Ken Nakamura: Then he asked a question . He asked " How would you gentlemen handle * our * organized crime problem ? " He was respectful .
Dr. Temperance 'Bones' Brennan: That is the basis of your friendship ?
Ken Nakamura: That and the situation incited by a gallon of Sake on a police boat at Uruaga Harbor at dawn .

days