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 journeyed to the kitchen. Fact 2- Sandra journeyed to the garden. Question: Where is Sandra? Answer: garden

Output: Fact 2


Input: Consider Input: Passage: Fact 1- Mary went to the hallway. Fact 2- Daniel went to the bathroom. Fact 3- Mary went to the bedroom. Fact 4- Mary went to the kitchen. Question: Where is Mary? Answer: kitchen

Output: Fact 4


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


Output: Fact 4