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

Output: Fact 6


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- Sandra travelled to the bedroom. Fact 2- Mary went to the hallway. Question: Where is Mary? Answer: hallway


Output: Fact 2