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- John journeyed to the hallway. Fact 2- Daniel travelled to the office. Fact 3- Mary moved to the garden. Fact 4- Mary moved to the bedroom. Question: Where is Daniel? Answer: office

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

A: Fact 1
****
Q: Passage: Fact 1- John went to the kitchen. Fact 2- John went to the hallway. Fact 3- Sandra moved to the garden. Fact 4- Sandra went back to the kitchen. Fact 5- John moved to the bedroom. Fact 6- Sandra went back to the bathroom. Fact 7- Sandra went to the hallway. Fact 8- Daniel journeyed to the office. Question: Where is Sandra? Answer: hallway

A:
Fact 7
****