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

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

Passage: Fact 1- Daniel went back to the office. Fact 2- Sandra went to the garden. Fact 3- John journeyed to the bedroom. Fact 4- Mary went back to the bathroom. Question: Where is Daniel? Answer: office

Fact 1