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.

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

Output: Fact 8


Input: Consider Input: Passage: Fact 1- Mary travelled to the hallway. Fact 2- Mary moved to the garden. Fact 3- Sandra went to the kitchen. Fact 4- Sandra moved to the bathroom. Question: Where is Sandra? Answer: bathroom

Output: Fact 4


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


Output: Fact 10