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

Output: Fact 6


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

Output: Fact 8


Input: Consider Input: Passage: Fact 1- Mary went back to the kitchen. Fact 2- Sandra travelled to the bathroom. Question: Where is Mary? Answer: kitchen


Output: Fact 1