instruction:
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.
question:
Jo Grant:  What on earth is he doing inside a horsebox ?
Doctor Who: It is n't exactly a horsebox . It just happens to look like _ one _ .
Jo Grant: You mean there is n't a horse inside ?
Doctor Who: No more than there 's a policeman inside my police box .
answer:
horsebox


question:
Jennifer Goines:  Tell me what happens . How does this end ?
James Cole: There are many endings .
Jennifer Goines: Which is the right one ?
Future Jennifer: The right one ...
James Cole, Future Jennifer: ... is the _ one _ you choose .
answer:
endings


question:
Lemony Snicket:  Perhaps you 've been told never to shout " Fire " in a public place . When you shout " Fire , " and there is n't _ one _ , it can cause chaos . Of course , when you shout " Fire , " and there is one , it can cause chaos but also save lives . Still , there are times when shouting " Fire " can save lives , even when there is n't one . For example , you may be trapped in a motel room with your enemies waiting outside . Shouting " Fire " will cause the kind of chaos that will allow you to escape undetected . Therefore , the life it saves will be your own .
answer:

Fire