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 back to the hallway. Fact 2- Sandra moved to the bedroom. Fact 3- Sandra went to the bathroom. Fact 4- Daniel went back to the office. Fact 5- Sandra went to the kitchen. Fact 6- Sandra moved to the bedroom. Question: Where is Daniel? Answer: office
Fact 4

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

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

Fact 3