You will be given a passage with an enumerated set of facts, a question of form 'Where is <person_name>?', and its answer. The task is to identify a supporting fact that is necessary to answer the question. The output would be the corresponding fact number.

[Q]: Passage: Fact 1- Sandra went to the garden. Fact 2- Daniel journeyed to the office. Fact 3- Sandra travelled to the bathroom. Fact 4- Sandra travelled to the kitchen. Fact 5- John travelled to the bedroom. Fact 6- Sandra went to the hallway. Question: Where is Sandra? Answer: hallway
[A]: Fact 6


[Q]: Passage: Fact 1- Daniel journeyed to the hallway. Fact 2- Sandra travelled to the kitchen. Fact 3- John journeyed to the hallway. Fact 4- Sandra travelled to the office. Fact 5- Sandra went to the hallway. Fact 6- Daniel journeyed to the office. Question: Where is Sandra? Answer: hallway
[A]: Fact 5


[Q]: Passage: Fact 1- John went to the bedroom. Fact 2- Daniel went to the bedroom. Fact 3- John travelled to the office. Fact 4- John went back to the bedroom. Question: Where is John? Answer: bedroom
[A]:
Fact 4