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 travelled to the hallway. Fact 2- John journeyed to the bathroom. Fact 3- John went to the garden. Fact 4- John went to the kitchen. Question: Where is John? Answer: kitchen
Fact 4

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

Passage: Fact 1- John travelled to the bathroom. Fact 2- Sandra moved to the hallway. Fact 3- Daniel travelled to the kitchen. Fact 4- Daniel travelled to the hallway. Question: Where is Daniel? Answer: hallway

Fact 4