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.

Passage: Fact 1- John went to the bathroom. Fact 2- John moved to the office. Fact 3- John went to the hallway. Fact 4- Sandra journeyed to the hallway. Fact 5- John journeyed to the bathroom. Fact 6- Daniel went to the bathroom. Fact 7- Sandra moved to the garden. Fact 8- John moved to the office. Fact 9- Sandra moved to the hallway. Fact 10- Daniel went to the kitchen. Question: Where is Daniel? Answer: kitchen
Fact 10

Passage: Fact 1- John went back to the hallway. Fact 2- Daniel moved to the garden. Question: Where is John? Answer: hallway
Fact 1

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

Fact 7