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: David Grant:  Can you hook up a probe so that I can see into the main cabin on this monitor ?
Baker: No , we ca n't transmit between the probe and the monitor .
David Grant: Would a video camera work ?
Baker: Yeah .
David Grant: You got _ one _ ?
Baker: No .

camera