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: Aaron Hotchner:  Was she able to give a description ?
Jennifer Jareau: Not much of _ one _ . White guy , about 6 feet tall . That 's about it
David Rossi: Well , that narrows the search

description