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

Output: Fact 6


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

Output: Fact 4


Input: Consider Input: Passage: Fact 1- Sandra moved to the office. Fact 2- Mary went back to the bathroom. Fact 3- Mary travelled to the office. Fact 4- Sandra moved to the kitchen. Question: Where is Mary? Answer: office


Output: Fact 3