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- Sandra journeyed to the garden. Question: Where is Sandra? Answer: garden

Output: Fact 2


Input: Consider Input: 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

Output: Fact 5


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


Output: Fact 8