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- Daniel went back to the kitchen. Fact 2- Daniel moved to the garden. Fact 3- Sandra journeyed to the bedroom. Fact 4- Mary moved to the bathroom. Question: Where is Sandra? Answer: bedroom

Output: Fact 3


Input: Consider Input: Passage: Fact 1- Mary journeyed to the bedroom. Fact 2- Sandra moved to the kitchen. Fact 3- Mary journeyed to the garden. Fact 4- Sandra moved to the garden. Question: Where is Sandra? Answer: garden

Output: Fact 4


Input: Consider Input: Passage: Fact 1- Sandra went to the garden. Fact 2- Mary journeyed to the office. Fact 3- John went to the hallway. Fact 4- Sandra journeyed to the bathroom. Fact 5- Daniel went to the hallway. Fact 6- Daniel went to the office. Fact 7- Mary moved to the garden. Fact 8- Mary moved to the office. Fact 9- Sandra moved to the hallway. Fact 10- John travelled to the office. Question: Where is Mary? Answer: office


Output: Fact 8