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

Output: Fact 3


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

Output: Fact 4


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


Output: Fact 10