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

Output: Fact 9


Input: Consider Input: Passage: Fact 1- John went back to the bedroom. Fact 2- John moved to the kitchen. Fact 3- John journeyed to the garden. Fact 4- Mary went back to the hallway. Question: Where is John? Answer: garden

Output: Fact 3


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


Output: Fact 5