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- John went to the bathroom. Fact 2- John moved to the office. Question: Where is John? Answer: office

Output: Fact 2


Input: Consider Input: Passage: Fact 1- John moved to the bedroom. Fact 2- Mary went back to the bedroom. Question: Where is Mary? Answer: bedroom

Output: Fact 2


Input: Consider Input: Passage: Fact 1- Daniel went to the office. Fact 2- Mary went back to the office. Fact 3- Sandra travelled to the bedroom. Fact 4- John journeyed to the bedroom. Question: Where is John? Answer: bedroom


Output: Fact 4