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.
--------
Question: Passage: Fact 1- Sandra travelled to the hallway. Fact 2- Mary moved to the office. Fact 3- John went back to the kitchen. Fact 4- John went to the office. Question: Where is Mary? Answer: office

Answer: Fact 2


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

Answer: Fact 1


Question: Passage: Fact 1- Sandra travelled to the office. Fact 2- Sandra went to the bathroom. Question: Where is Sandra? Answer: bathroom

Answer:
Fact 2