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 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. Question: Where is John? Answer: kitchen

Output: Fact 4


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

Output: Fact 2


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


Output: Fact 2